ב"ה
I managed to get the ssl splice configurations to work but when I'm
splicing for example: play.google.com
I see in cache log the following:
2023/08/29 22:54:53.688 kid1| 33,2| client_side.cc(3214)
fakeAConnectRequest: fake a CONNECT request to force connState to tunnel
for ssl-bump
2023/08/29 22:54:53.700 kid1| 33,2| client_side.cc(3214)
fakeAConnectRequest: fake a CONNECT request to force connState to tunnel
for splice
2023/08/29 22:54:53 kid1| SECURITY ALERT: Host header forgery detected on
conn3362 local=172.217.22.110:443 remote=192.168.26.100:55331 FD 540
flags=17 (local IP does not match any domain IP)
current master transaction: master2737
2023/08/29 22:54:53 kid1| SECURITY ALERT: on URL: play.google.com:443
The host header forgery issue for play.google.com is observed only for
spliced connections, but when this url is bumped I don't see this error.
Why is splicing making this error?
בתאריך יום ב׳, 28 באוג׳ 2023 ב-13:54 מאת Ben Goz <ben.go...@gmail.com
>:
> ב"ה
>
> I'm using squid version:
> nativ@arachimprodsrv3:/usr/local/squid/etc$ /usr/local/squid/sbin/squid -v
> Squid Cache: Version 6.1-VCS
> Service Name: squid
>
> This binary uses OpenSSL 3.0.2 15 Mar 2022. configure options:
> '--with-large-files' '--with-openssl' '--enable-ssl' '--enable-ssl-crtd'
> '--enable-icap-client' '--enable-linux-netfilter' '--disable-ident-lookups'
>
> Configured with ssl_bump and tproxy:
> http_port 0.0.0.0:3128
> http_port 0.0.0.0:3129 tproxy
> https_port 0.0.0.0:3130 tproxy ssl-bump \
> cert=/usr/local/squid/etc/ssl_cert/myCA.pem \
> generate-host-certificates=on dynamic_cert_mem_cache_size=4MB
> options=ALL,NO_SSLv3 sslflags=NO_DEFAULT_CA
>
> And the following configurations:
> acl NoSSLInterceptRegexp_always ssl::server_name "splice.list"
> always_direct allow all
> on_unsupported_protocol tunnel
> acl DiscoverSNIHost at_step SslBump1
> ssl_bump splice NoSSLInterceptRegexp_always
> ssl_bump peek DiscoverSNIHost
> ssl_bump bump all
>
> the content of the file splice.list:
> .prog.co.il
> prog.co.il
> www.prog.co.il
> .shipuzim.info
>
> The tproxy redirections works fine with squid server but unfortunately the
> urls in splice.list bumped although they should be spliced as seen in the
> access log:
>
> 1693219853.255 626 192.168.28.254 TCP_MISS/200 64439 GET
> https://www.prog.co.il/ - HIER_DIRECT/172.67.196.36 text/html
>
> And I see in the browser's certificate viewer my squid self signed
> certificate.
>
> What am I missing here?
>
> Thanks,
> Ben
>
>
>
>
>
>
>
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