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--------------------------------------freshclam daemon 1.0.6 (OS: Linux, ARCH: x86_64, CPU: x86_64)ClamAV update process started at Wed Nov 13 22:58:39 2024daily database available for update (local version: 26951, remote version: 27457)WARNING: downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from Incremental update failed, trying to download daily.cvdTesting database: '/opt/zimbra/data/clamav/db/tmp.c6c4bde2c0/clamav-71471ba8e88d7cef2c3289b824b9a580.tmp-daily.cvd' ...Database test passed.daily.cvd updated (version: 27457, sigs: 2067892, f-level: 90, builder: raynman)main.cvd database is up-to-date (version: 62, sigs: 6647427, f-level: 90, builder: sigmgr)bytecode database available for update (local version: 334, remote version: 335)Testing database: '/opt/zimbra/data/clamav/db/tmp.c6c4bde2c0/clamav-186b71904808f37c645f8065a09869ff.tmp-bytecode.cld' ...Database test passed.bytecode.cld updated (version: 335, sigs: 86, f-level: 90, builder: raynman)Clamd successfully notified about the update. GET /daily-26952.cdiff HTTP/2> Host: database.clamav.net> User-Agent: curl/7.61.1> Accept: */*>* TLSv1.3 (IN), TLS handshake, [no content] (0):* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):* TLSv1.3 (IN), TLS app data, [no content] (0):* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!* TLSv1.3 (OUT), TLS app data, [no content] (0):* TLSv1.3 (IN), TLS app data, [no content] (0): Attention Required! | Cloudflarebody{margin:0;padding:0} if (!navigator.cookieEnabled) { window.addEventListener('DOMContentLoaded', function () { var cookieEl = document.getElementById('cookie-alert'); cookieEl.style.display = 'block'; }) } Please enable cookies.* TLSv1.3 (IN), TLS app data, [no content] (0): Sorry, you have been blocked You are unable to access clamav.net Why have I been blocked? This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. What can I do to resolve this?* TLSv1.3 (IN), TLS app data, [no content] (0): You can email the site owner to let them know you were blocked. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Cloudflare Ray ID: 8e22827bda1f94b7 • Your IP: Click to reveal 88.97.91.208 • Performance & security by Cloudflare * TLSv1.3 (IN), TLS app data, [no content] (0): (function(){function d(){var b=a.getElementById("cf-footer-item-ip"),c=a.getElementById("cf-footer-ip-reveal");b&&"classList"in b&&(b.classList.remove("hidden"),c.addEventListener("click",function(){c.classList.add("hidden");a.getElementById("cf-footer-ip").classList.remove("hidden")}))}var a=document;document.addEventListener&&a.addEventListener("DOMContentLoaded",d)})(); window._cf_translation = {};* TLSv1.3 (IN), TLS app data, [no content] (0):* Connection #0 to host database.clamav.net left intact">curl -v Trying 104.16.219.84...* TCP_NODELAY set* Connected to database.clamav.net (104.16.219.84) port 443 (#0)* ALPN, offering h2* ALPN, offering http/1.1* successfully set certificate verify locations:* CAfile: /etc/pki/tls/certs/ca-bundle.crt CApath: none* TLSv1.3 (OUT), TLS handshake, Client hello (1):* TLSv1.3 (IN), TLS handshake, Server hello (2):* TLSv1.3 (IN), TLS handshake, [no content] (0):* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):* TLSv1.3 (IN), TLS handshake, Certificate (11):* TLSv1.3 (IN), TLS handshake, CERT verify (15):* TLSv1.3 (IN), TLS handshake, Finished (20):* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):* TLSv1.3 (OUT), TLS handshake, [no content] (0):* TLSv1.3 (OUT), TLS handshake, Finished (20):* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384* ALPN, server accepted to use h2* Server certificate:* subject: CN=database.clamav.net* start date: Oct 8 10:45:45 2024 GMT* expire date: Jan 6 10:45:44 2025 GMT* subjectAltName: host "database.clamav.net" matched cert's "database.clamav.net"* issuer:

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"big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:49 RvdH wrote: 2022-02-10 14:30SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()?I think I'm mixing apples and pears... LOG_DEBUG("size of *pBuf " + to_string(sizeof(pBuf)));Code: Select all"DEBUG" 2916 "2022-02-10 13:38:28.703" "size of *pBuf 12"Code: Select allconst int STREAM_BLOCK_SIZE = 4096;std::shared_ptr pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); SørenR.Woke is Marxism advancing through Maoist cultural revolution. jemm971 New user Posts: 5 Joined: 2020-10-07 23:15 Re: BUG: ClamAV 0.104.0 does not work Post by jemm971 » 2022-02-18 20:40 I have the same trouble since my upgrade of clamAV in the 0.104.2.0 version : I get a UNKNOWN RESPOND when I make a test of ClamAV in hMailServer.So I also upgrated to the last hMailServer version (5.6. , but still the same trouble.Finally I came back to my previous ClamAV version (0.102.2.0), which was working well. But in this version the freshclam doesn't

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Prerequisites Make sure ClamAV is properly installed and XWall can communicate native with the ClamAV service See also Install ClamAV Antivirus Native Win32 SaneSecurity Rules You have two options to download the rules: Either using the old ClamSup, which has more options, or using the new Sigupdate, which is simpler to install. Using ClamSup (this no longer works, because the download links are invalid) Download ClamSup.zip Latest ClamSup.ini Rsync for Windows Note: You need to open port 873 in the firewall to make cwRsync working. Create a directory named ClamSup beside the ClamAV directory e.g. assuming that ClamAV is in C:\ClamAV then create C:\ClamSup Extract the downloaded files into the ClamSup directory Open ClamSup.cfg with an editor and adjust the path so that it matches your ClamAV installation Make sure the line LOCALFOLDER=C:\ClamAV\db points to the db folder in the ClamAV directory. Open a DOS Box, change to the ClamSup directory and type start ClamSup.bat -v ClamSup will run for a few minutes and download all SaneSecurity databases. After the download ClamSup copies the databases into the ClamAV db folder and restarts ClamAV. In the case ClamSup.bat immediately closes, locate clamsup.error and check the error. Once you fixed the error, start ClamSup.bat again. Create a schedule that starts ClamSup.bat every 2 hours Using Sigupdate From download ClamWin/ClamAV Sigupdate 0.4 beta Note: You need to open port 873 in the firewall to make cwRsync working. Create a directory named Sigupdate beside the ClamAV directory e.g. assuming that ClamAV is in C:\ClamAV. ClamAV 0.105.1 (Bản chuẩn cuối) - Download; ClamAV 0.105.0 - Download; ClamAV 0.105.0 rc - Download; ClamAV 0.104.2 - Download; ClamAV 0.104.1 - Download; ClamAV 0.104.0 - Download; ClamAV 0.104.0 rc 2 - Download; ClamAV 0.103.3 - Download; ClamAV 0. ClamAV 0.105.1 (Bản chuẩn cuối) - Download; ClamAV 0.105.0 - Download; ClamAV 0.105.0 rc - Download; ClamAV 0.104.2 - Download; ClamAV 0.104.1 - Download; ClamAV 0.104.0 - Download; ClamAV 0.104.0 rc 2 - Download; ClamAV 0.103.3 - Download; ClamAV 0.

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Send byte stream across machine boundaries. // Receive byte stream from beyond machine boundaries. Console.WriteLine(BitConverter.ToString(bytes)); if (BitConverter.IsLittleEndian) Array.Reverse(bytes); Console.WriteLine(BitConverter.ToString(bytes)); int result = BitConverter.ToInt32(bytes, 0); Console.WriteLine("Original value: {0}", value); Console.WriteLine("Returned value: {0}", result); }}// The example displays the following output on a little-endian system:// 4E-61-BC-00// 00-BC-61-4E// 00-BC-61-4E// 4E-61-BC-00// Original value: 12345678// Returned value: 12345678Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get response CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 13:53 RvdH wrote: 2022-02-10 09:36Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get responseHmm... Something's fishy...ClamAV log:Code: Select allThu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Thu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Code change...Code: Select all VirusScanningResult ClamAVVirusScanner::Scan(const String &hostName, int primaryPort, const String &sFilename) { LOG_DEBUG("Connecting to ClamAV virus scanner..."); int streamPort = 0; TimeoutCalculator calculator; SynchronousConnection commandConnection(calculator.Calculate(IniFileSettings::Instance()->GetClamMinTimeout(), IniFileSettings::Instance()->GetClamMaxTimeout())); if (!commandConnection.Connect(hostName, primaryPort)) { return VirusScanningResult(_T("ClamAVVirusScanner::Scan"), Formatter::Format("Unable to connect to ClamAV server at {0}:{1}.", hostName, primaryPort)); } if (!commandConnection.Write("nINSTREAM\n")) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write STREAM command."); AnsiString readData; // Send the file on the stream socket. File oFile; if (!oFile.Open(sFilename, File::OTReadOnly)) { String sErrorMsg = Formatter::Format("Could not send file {0} via socket since it

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If(regex_match(readData.c_str(), what, expression)) { LOG_DEBUG("Virus detected: " + what[1]); return VirusScanningResult(VirusScanningResult::VirusFound, String(what[1])); } else { LOG_DEBUG("No virus detected: " + readData); return VirusScanningResult(VirusScanningResult::NoVirusFound, Formatter::Format("Result: {0}", readData)); } } catch (std::runtime_error &) // regex_match will throw runtime_error if regexp is too complex. { return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to parse regular expression."); } }This is very wrong or only a little wrong ?;-)if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) Attachments SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3657 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:05 What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf))))); CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:17 RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ?? SørenR.Woke is Marxism advancing through Maoist cultural revolution. SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:30 Hmm....Code: Select all"DEBUG" 4020 "2022-02-10 13:28:39.698" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.701" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3657 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414

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Does not exist.", sFilename); return VirusScanningResult("ClamAVVirusScanner::Scan", sErrorMsg); } const int STREAM_BLOCK_SIZE = 4096; const int maxIterations = 100000; for (int i = 0; i pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); if (!pBuf) break; // Send the request. if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.Write(*pBuf)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); } if (!commandConnection.Write(to_string(htonl(0)))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.ReadUntil("\n", readData)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to read response (after streaming)."); readData.TrimRight("\n"); // Parse the response and see if a virus was reported. try { const regex expression("^stream.*: (.*) FOUND$"); cmatch what; if(regex_match(readData.c_str(), what, expression)) { LOG_DEBUG("Virus detected: " + what[1]); return VirusScanningResult(VirusScanningResult::VirusFound, String(what[1])); } else { LOG_DEBUG("No virus detected: " + readData); return VirusScanningResult(VirusScanningResult::NoVirusFound, Formatter::Format("Result: {0}", readData)); } } catch (std::runtime_error &) // regex_match will throw runtime_error if regexp is too complex. { return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to parse regular expression."); } }This is very wrong or only a little wrong ?;-)if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) Attachments SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:05 What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf))))); CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:17 RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ?? SørenR.Woke is Marxism advancing through Maoist cultural revolution. SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:30 Hmm....Code: Select all"DEBUG" 4020 "2022-02-10 13:28:39.698" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.701" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413. ClamAV 0.105.1 (Bản chuẩn cuối) - Download; ClamAV 0.105.0 - Download; ClamAV 0.105.0 rc - Download; ClamAV 0.104.2 - Download; ClamAV 0.104.1 - Download; ClamAV 0.104.0 - Download; ClamAV 0.104.0 rc 2 - Download; ClamAV 0.103.3 - Download; ClamAV 0.

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--------------------------------------freshclam daemon 1.0.6 (OS: Linux, ARCH: x86_64, CPU: x86_64)ClamAV update process started at Wed Nov 13 22:58:39 2024daily database available for update (local version: 26951, remote version: 27457)WARNING: downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from downloadFile: file not found: downloadPatch: Can't download daily-26952.cdiff from Incremental update failed, trying to download daily.cvdTesting database: '/opt/zimbra/data/clamav/db/tmp.c6c4bde2c0/clamav-71471ba8e88d7cef2c3289b824b9a580.tmp-daily.cvd' ...Database test passed.daily.cvd updated (version: 27457, sigs: 2067892, f-level: 90, builder: raynman)main.cvd database is up-to-date (version: 62, sigs: 6647427, f-level: 90, builder: sigmgr)bytecode database available for update (local version: 334, remote version: 335)Testing database: '/opt/zimbra/data/clamav/db/tmp.c6c4bde2c0/clamav-186b71904808f37c645f8065a09869ff.tmp-bytecode.cld' ...Database test passed.bytecode.cld updated (version: 335, sigs: 86, f-level: 90, builder: raynman)Clamd successfully notified about the update. GET /daily-26952.cdiff HTTP/2> Host: database.clamav.net> User-Agent: curl/7.61.1> Accept: */*>* TLSv1.3 (IN), TLS handshake, [no content] (0):* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):* TLSv1.3 (IN), TLS app data, [no content] (0):* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!* TLSv1.3 (OUT), TLS app data, [no content] (0):* TLSv1.3 (IN), TLS app data, [no content] (0): Attention Required! | Cloudflarebody{margin:0;padding:0} if (!navigator.cookieEnabled) { window.addEventListener('DOMContentLoaded', function () { var cookieEl = document.getElementById('cookie-alert'); cookieEl.style.display = 'block'; }) } Please enable cookies.* TLSv1.3 (IN), TLS app data, [no content] (0): Sorry, you have been blocked You are unable to access clamav.net Why have I been blocked? This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. What can I do to resolve this?* TLSv1.3 (IN), TLS app data, [no content] (0): You can email the site owner to let them know you were blocked. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Cloudflare Ray ID: 8e22827bda1f94b7 • Your IP: Click to reveal 88.97.91.208 • Performance & security by Cloudflare * TLSv1.3 (IN), TLS app data, [no content] (0): (function(){function d(){var b=a.getElementById("cf-footer-item-ip"),c=a.getElementById("cf-footer-ip-reveal");b&&"classList"in b&&(b.classList.remove("hidden"),c.addEventListener("click",function(){c.classList.add("hidden");a.getElementById("cf-footer-ip").classList.remove("hidden")}))}var a=document;document.addEventListener&&a.addEventListener("DOMContentLoaded",d)})(); window._cf_translation = {};* TLSv1.3 (IN), TLS app data, [no content] (0):* Connection #0 to host database.clamav.net left intact">curl -v Trying 104.16.219.84...* TCP_NODELAY set* Connected to database.clamav.net (104.16.219.84) port 443 (#0)* ALPN, offering h2* ALPN, offering http/1.1* successfully set certificate verify locations:* CAfile: /etc/pki/tls/certs/ca-bundle.crt CApath: none* TLSv1.3 (OUT), TLS handshake, Client hello (1):* TLSv1.3 (IN), TLS handshake, Server hello (2):* TLSv1.3 (IN), TLS handshake, [no content] (0):* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):* TLSv1.3 (IN), TLS handshake, Certificate (11):* TLSv1.3 (IN), TLS handshake, CERT verify (15):* TLSv1.3 (IN), TLS handshake, Finished (20):* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):* TLSv1.3 (OUT), TLS handshake, [no content] (0):* TLSv1.3 (OUT), TLS handshake, Finished (20):* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384* ALPN, server accepted to use h2* Server certificate:* subject: CN=database.clamav.net* start date: Oct 8 10:45:45 2024 GMT* expire date: Jan 6 10:45:44 2025 GMT* subjectAltName: host "database.clamav.net" matched cert's "database.clamav.net"* issuer:

2025-04-15
User2607

"big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3650 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:49 RvdH wrote: 2022-02-10 14:30SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()?I think I'm mixing apples and pears... LOG_DEBUG("size of *pBuf " + to_string(sizeof(pBuf)));Code: Select all"DEBUG" 2916 "2022-02-10 13:38:28.703" "size of *pBuf 12"Code: Select allconst int STREAM_BLOCK_SIZE = 4096;std::shared_ptr pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); SørenR.Woke is Marxism advancing through Maoist cultural revolution. jemm971 New user Posts: 5 Joined: 2020-10-07 23:15 Re: BUG: ClamAV 0.104.0 does not work Post by jemm971 » 2022-02-18 20:40 I have the same trouble since my upgrade of clamAV in the 0.104.2.0 version : I get a UNKNOWN RESPOND when I make a test of ClamAV in hMailServer.So I also upgrated to the last hMailServer version (5.6. , but still the same trouble.Finally I came back to my previous ClamAV version (0.102.2.0), which was working well. But in this version the freshclam doesn't

2025-04-09
User8299

Send byte stream across machine boundaries. // Receive byte stream from beyond machine boundaries. Console.WriteLine(BitConverter.ToString(bytes)); if (BitConverter.IsLittleEndian) Array.Reverse(bytes); Console.WriteLine(BitConverter.ToString(bytes)); int result = BitConverter.ToInt32(bytes, 0); Console.WriteLine("Original value: {0}", value); Console.WriteLine("Returned value: {0}", result); }}// The example displays the following output on a little-endian system:// 4E-61-BC-00// 00-BC-61-4E// 00-BC-61-4E// 4E-61-BC-00// Original value: 12345678// Returned value: 12345678Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get response CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6413 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 13:53 RvdH wrote: 2022-02-10 09:36Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get responseHmm... Something's fishy...ClamAV log:Code: Select allThu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Thu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Code change...Code: Select all VirusScanningResult ClamAVVirusScanner::Scan(const String &hostName, int primaryPort, const String &sFilename) { LOG_DEBUG("Connecting to ClamAV virus scanner..."); int streamPort = 0; TimeoutCalculator calculator; SynchronousConnection commandConnection(calculator.Calculate(IniFileSettings::Instance()->GetClamMinTimeout(), IniFileSettings::Instance()->GetClamMaxTimeout())); if (!commandConnection.Connect(hostName, primaryPort)) { return VirusScanningResult(_T("ClamAVVirusScanner::Scan"), Formatter::Format("Unable to connect to ClamAV server at {0}:{1}.", hostName, primaryPort)); } if (!commandConnection.Write("nINSTREAM\n")) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write STREAM command."); AnsiString readData; // Send the file on the stream socket. File oFile; if (!oFile.Open(sFilename, File::OTReadOnly)) { String sErrorMsg = Formatter::Format("Could not send file {0} via socket since it

2025-04-04
User8595

If(regex_match(readData.c_str(), what, expression)) { LOG_DEBUG("Virus detected: " + what[1]); return VirusScanningResult(VirusScanningResult::VirusFound, String(what[1])); } else { LOG_DEBUG("No virus detected: " + readData); return VirusScanningResult(VirusScanningResult::NoVirusFound, Formatter::Format("Result: {0}", readData)); } } catch (std::runtime_error &) // regex_match will throw runtime_error if regexp is too complex. { return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to parse regular expression."); } }This is very wrong or only a little wrong ?;-)if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) Attachments SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3657 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:05 What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf))))); CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:17 RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ?? SørenR.Woke is Marxism advancing through Maoist cultural revolution. SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 14:30 Hmm....Code: Select all"DEBUG" 4020 "2022-02-10 13:28:39.698" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.701" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.719" "No virus detected: INSTREAM size limit exceeded. ERROR""DEBUG" 4020 "2022-02-10 13:28:39.723" "Connecting to ClamAV virus scanner...""DEBUG" 4020 "2022-02-10 13:28:39.725" "big endian, 4 bytes: {0} 201326592""DEBUG" 4020 "2022-02-10 13:28:39.751" "No virus detected: INSTREAM size limit exceeded. ERROR" SørenR.Woke is Marxism advancing through Maoist cultural revolution. RvdH Senior user Posts: 3657 Joined: 2008-06-27 14:42 Location: The Netherlands Re: BUG: ClamAV 0.104.0 does not work Post by RvdH » 2022-02-10 14:30 SorenR wrote: 2022-02-10 14:17RvdH wrote: 2022-02-10 14:05What if you LOG_DEBUG that value? Just the check if it holds proper values...not behind my PC right now, so can not checkLOG_DEBUG(Formatter::Format("big endian, 4 bytes: {0}", to_string(htonl(sizeof(*pBuf)))));Chunk size is 4096 (int), 4096 in hex is "0x1000" and Big Endian should be "0x0001" No ??Would the problem not be to_string()? CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414

2025-04-14
User8624

Returned value: 12345678Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get response CIDR to RegEx: d-fault.nl/cidrtoregexDNS Lookup: d-fault.nl/dnstoolsDKIM Generator: d-fault.nl/dkimgeneratorDNSBL Lookup: d-fault.nl/dnsbllookupGEOIP Lookup: d-fault.nl/geoiplookup SorenR Senior user Posts: 6414 Joined: 2006-08-21 15:38 Location: Denmark Re: BUG: ClamAV 0.104.0 does not work Post by SorenR » 2022-02-10 13:53 RvdH wrote: 2022-02-10 09:36Here is a complete clamav client wrapper written in C# ... #L238-L294htonl is the equivalent for "network-byte-order" in c++ as it seemsYou use either (newline escaped/delimited)or (zero escaped/delimited)workflow:1. send the INSTREAM command: zINSTREAM\0, or nINSTREAM\n2. send (big endian, 4 bytes)3. send the chunk of data corresponding to the above length4. repeat at 2 as long as you have more blocks to send5. send a 0-length block to mark end of stream6. get responseHmm... Something's fishy...ClamAV log:Code: Select allThu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Thu Feb 10 12:40:20 2022 -> WARNING: INSTREAM: Size limit reached, (requested: 842019123, max: 26214400)Code change...Code: Select all VirusScanningResult ClamAVVirusScanner::Scan(const String &hostName, int primaryPort, const String &sFilename) { LOG_DEBUG("Connecting to ClamAV virus scanner..."); int streamPort = 0; TimeoutCalculator calculator; SynchronousConnection commandConnection(calculator.Calculate(IniFileSettings::Instance()->GetClamMinTimeout(), IniFileSettings::Instance()->GetClamMaxTimeout())); if (!commandConnection.Connect(hostName, primaryPort)) { return VirusScanningResult(_T("ClamAVVirusScanner::Scan"), Formatter::Format("Unable to connect to ClamAV server at {0}:{1}.", hostName, primaryPort)); } if (!commandConnection.Write("nINSTREAM\n")) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write STREAM command."); AnsiString readData; // Send the file on the stream socket. File oFile; if (!oFile.Open(sFilename, File::OTReadOnly)) { String sErrorMsg = Formatter::Format("Could not send file {0} via socket since it does not exist.", sFilename); return VirusScanningResult("ClamAVVirusScanner::Scan", sErrorMsg); } const int STREAM_BLOCK_SIZE = 4096; const int maxIterations = 100000; for (int i = 0; i pBuf = oFile.ReadChunk(STREAM_BLOCK_SIZE); if (!pBuf) break; // Send the request. if (!commandConnection.Write(to_string(htonl(sizeof(*pBuf))))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.Write(*pBuf)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); } if (!commandConnection.Write(to_string(htonl(0)))) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to write data to stream port."); if (!commandConnection.ReadUntil("\n", readData)) return VirusScanningResult("ClamAVVirusScanner::Scan", "Unable to read response (after streaming)."); readData.TrimRight("\n"); // Parse the response and see if a virus was reported. try { const regex expression("^stream.*: (.*) FOUND$"); cmatch what;

2025-04-15

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