Hi Alex, good morning. Thank you for your reply. I work together with Arun on this issue. Here is some more detail. Client got below response headers and body. Masked few details. Retry seems to fetch data remaining. Want to point out that removing sslbump everything is working fine, but we wanted to keep it for ICAP scanning. We tried compiling 6.x in Amazon linux, using latest gcc, but facing similar error - https://lists.squid-cache.org/pipermail/squid-users/2023-July/026016.html HTTP/1.1 200 OK Date: Tue, 09 Jan 2024 15:41:33 GMT Server: Apache/mod_perl/2.0.10 Perl Content-Type: application/download X-Cache: MISS from ip-x-y-z Transfer-Encoding: chunked Via: xxx (ICAP) Connection: keep-alive 1000 File-Id: xyz.zip Local-Path: x/y/z.txt Content-Size: 2967 < binary content > Access log(1st attempt): 1704814893.695 138 x.y.0.2 NONE_NONE/200 0 CONNECT a.b.com:443 - FIRSTUP_PARENT/10.x.y.z - 1704814900.491 6779 172.17.0.2 TCP_MISS/200 138996535 POST https://a.b.com/xyz - FIRSTUP_PARENT/10.x.y.z application/download Retry after 5 mins: 1704815201.530 189 x.y.0.2 NONE_NONE/200 0 CONNECT a.b.com:443 - FIRSTUP_PARENT/10.x.y.z - 1704815208.438 6896 x.y.0.2 TCP_MISS/200 138967930 POST https://a.b.com/xyz - FIRSTUP_PARENT/10.x.y.z application/download Jinshu Zhang Fannie Mae Confidential -----Original Message----- From: squid-users <squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex Rousskov Sent: Tuesday, January 9, 2024 9:53 AM To: squid-users@xxxxxxxxxxxxxxxxxxxxx Subject: [EXTERNAL] Re: chunked transfer over sslbump On 2024-01-09 09:13, Arun Kumar wrote: > I have compiled/installed squid v5.8 in Amazon Linux and configured it > with sslbump option. Squid is used as proxy to get response from https > site. When the https site sends chunked response, it appears that the > first response comes but it get stuck and doesn't receive the full > response. Appreciate any help. There were some recent chunking-related changes in Squid, but none of them is likely to be responsible for the problems you are describing unless the origin server response is very special/unusual. Does the client in this test get the HTTP response header? Some HTTP response body bytes? To triage the problem, I recommend sharing the corresponding access.log records (at least). Seeing debugging of the problematic transaction may be very useful (but avoid using production security keys and other sensitive information in such tests): https://wiki.squid-cache.org/SquidFaq/BugReporting#debugging-a-single-transaction Please note that Squid v5 is not officially supported and has more known security vulnerabilities than Squid v6. You should be using Squid v6. HTH, Alex. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx https://lists.squid-cache.org/listinfo/squid-users _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx https://lists.squid-cache.org/listinfo/squid-users