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Hi all,
I'm trying to integrate a Squid Cache version 3.5.20 for x86_64-redhat-linux-gnu with a Symantec Protection Engine 8.1 to do virus scaning in a reverse proxy setup.
I do send all POST requests to our virus scan engine. But icap integration does not work as expected. Squid does send a OPTIONS request to the icap server.
We get a valid answer from Symantec Protection Engine. But squid fails afterwards with a parsing exception:
2020/08/26 10:04:54.590| 58,3| HttpMsg.cc(173) parse: HttpMsg::parse: failed to find end of headers (eof: 0) in 'ICAP/1.0 200 OK Date: Wed Aug 26 08:04:54 2020 GMT Methods: REQMOD Service: Symantec Protection Engine/8.1.0.29 Service-ID: SYMCSCANREQ-AV ISTag: "0FF01DDE4872272B6F445AED8643888C" X-Definition-Info: 20200825.022 Max-Connections: 32 X-Allow-Out: X-Outer-Container-Is-Mime, X-Infection-Found, X-Definition-Info, X-AV-License X-Allow-Out: X-Violations-Found X-Allow-Out: X-SYMANTEC-URL-Definition-Info, X-CAIC-URL-Definition-Info, X-SYMANTEC-URLReputation-Definition-Info, X-URL-License, X-URL-Reputation-License Allow: 204 Options-TTL: 3600 Preview: 4 Transfer-Preview: * X-AV-License: 1 X-URL-License: 1 X-URL-Reputation-License: 1 ' Does somebody has an idea what's going wrong here? Is this a known squid/icap bug? Attached: log, config and tcpdumps from
icap server 1 and 2 (squid does connect thru a loadbalancer to the icap server) IPs in the tcpdump: Squid has IP 10.64.7.145 ICAP Server has IP: 10.140.28.144 Relevant Time in squid.log: 2020/08/26 10:04:54 (= 2020/08/26 08:04:54 icap server time) Thanks and kind regards,
Andy
Andreas von Euw
AXA Group Operations
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Attachment:
squid-icap.conf
Description: squid-icap.conf
Attachment:
dump.rar
Description: dump.rar
Attachment:
squid.log.rar
Description: squid.log.rar
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