OK so the issue was that:
The http_port was used for ssl bump with intercept while the only port which
can really intercept ssl connections is:
https_port
so I believe that there should be a warning about such a line in the cache log.
When there is http_port and intercept and ssl_bump there should be a warning.
Thanks,
Eliezer
From: NgTech LTD <ngtech1...@gmail.com>
Sent: Monday, August 19, 2024 10:48 AM
To: Squid Users <squid-users@lists.squid-cache.org>
Subject: Squid 6.10 on Fedora 40 cannot intercept and bump SSL Traffic
I am testing Squid 6.10 on Fedora 40 (their package).
And it seems that Squid is unable to bump clients (ESNI/ECH)?
I had couple iterations of pek stare and bump and I am not sure what is the
reason for that:
shutdown_lifetime 3 seconds
external_acl_type whitelist-lookup-helper ipv4 ttl=10 children-max=10
children-startup=2 \
children-idle=2 concurrency=10 %URI %SRC
/usr/local/bin/squid-conf-url-lookup.rb
acl whitelist-lookup external whitelist-lookup-helper
acl ytmethods method POST GET
acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN)
acl localnet src 10.0.0.0/8 <http://10.0.0.0/8> # RFC 1918 local
private network (LAN)
acl localnet src 100.64.0.0/10 <http://100.64.0.0/10> # RFC 6598
shared address space (CGN)
acl localnet src 169.254.0.0/16 <http://169.254.0.0/16> # RFC 3927
link-local (directly plugged) machines
acl localnet src 172.16.0.0/12 <http://172.16.0.0/12> # RFC 1918
local private network (LAN)
acl localnet src 192.168.0.0/16 <http://192.168.0.0/16> # RFC 1918
local private network (LAN)
acl localnet src fc00::/7 # RFC 4193 local private network range
acl localnet src fe80::/10 # RFC 4291 link-local (directly
plugged) machines
acl SSL_ports port 443
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localhost
http_access deny to_localhost
http_access deny to_linklocal
acl tubedoms dstdomain .ytimg.com <http://ytimg.com> .youtube.com
<http://youtube.com> .youtu.be <http://youtu.be>
http_access allow ytmethods localnet tubedoms whitelist-lookup
http_access allow localnet
http_access deny all
http_port 3128
http_port 13128 ssl-bump tls-cert=/etc/squid/ssl/cert.pem
tls-key=/etc/squid/ssl/key.pem \
generate-host-certificates=on dynamic_cert_mem_cache_size=4MB
http_port 23128 tproxy ssl-bump tls-cert=/etc/squid/ssl/cert.pem
tls-key=/etc/squid/ssl/key.pem \
generate-host-certificates=on dynamic_cert_mem_cache_size=4MB
http_port 33128 intercept ssl-bump tls-cert=/etc/squid/ssl/cert.pem
tls-key=/etc/squid/ssl/key.pem \
generate-host-certificates=on dynamic_cert_mem_cache_size=4MB
sslcrtd_program /usr/lib64/squid/security_file_certgen -s
/var/spool/squid/ssl_db -M 4MB
sslcrtd_children 5
acl foreignProtocol squid_error ERR_PROTOCOL_UNKNOWN ERR_TOO_BIG
acl serverTalksFirstProtocol squid_error ERR_REQUEST_START_TIMEOUT
on_unsupported_protocol tunnel foreignProtocol
on_unsupported_protocol tunnel serverTalksFirstProtocol
on_unsupported_protocol respond all
acl monitoredSites ssl::server_name .youtube.com <http://youtube.com>
.ytimg.com <http://ytimg.com>
acl monitoredSitesRegex ssl::server_name_regex \.youtube\.com \.ytimg\.com
acl serverIsBank ssl::server_name .visa.com <http://visa.com>
acl step1 at_step SslBump1
acl step2 at_step SslBump2
acl step3 at_step SslBump3
ssl_bump bump all
strip_query_terms off
coredump_dir /var/spool/squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern . 0 20% 4320
logformat ssl_custom_format %ts.%03tu %6tr %>a %Ss/%03>Hs %<st %rm %ru %[un
%Sh/%<a %mt %ssl::>sni
access_log daemon:/var/log/squid/access.log ssl_custom_format
##EOF
access.log from before:
1724028804.797 486 192.168.78.15 TCP_TUNNEL/200 17764 CONNECT
40.126.31.73:443 <http://40.126.31.73:443> - ORIGINAL_DST/40.126.31.73
<http://40.126.31.73> - -
1724028805.413 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.028 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.028 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.029 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.030 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.085 57 192.168.78.15 TCP_TUNNEL/200 4513 CONNECT
104.18.72.113:443 <http://104.18.72.113:443> - ORIGINAL_DST/104.18.72.113
<http://104.18.72.113> - -
1724028806.086 56 192.168.78.15 TCP_TUNNEL/200 4513 CONNECT
104.18.72.113:443 <http://104.18.72.113:443> - ORIGINAL_DST/104.18.72.113
<http://104.18.72.113> - -
1724028806.086 56 192.168.78.15 TCP_TUNNEL/200 4512 CONNECT
104.18.72.113:443 <http://104.18.72.113:443> - ORIGINAL_DST/104.18.72.113
<http://104.18.72.113> - -
1724028806.208 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.213 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.338 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.469 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028806.596 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028807.006 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028807.262 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028808.922 5037 192.168.78.15 TCP_TUNNEL/200 6096 CONNECT
13.107.246.60:443 <http://13.107.246.60:443> - ORIGINAL_DST/13.107.246.60
<http://13.107.246.60> - -
1724028812.906 8336 192.168.78.15 TCP_TUNNEL/200 1071500 CONNECT
104.126.37.171:443 <http://104.126.37.171:443> - ORIGINAL_DST/104.126.37.171
<http://104.126.37.171> - -
1724028819.209 247893 192.168.78.15 TCP_TUNNEL/200 4023 CONNECT
142.250.186.34:443 <http://142.250.186.34:443> - ORIGINAL_DST/142.250.186.34
<http://142.250.186.34> - -
1724028820.097 250033 192.168.78.15 TCP_TUNNEL/200 549611 CONNECT
142.250.184.246:443 <http://142.250.184.246:443> -
ORIGINAL_DST/142.250.184.246 <http://142.250.184.246> - -
1724028820.154 246850 192.168.78.15 TCP_TUNNEL/200 15119 CONNECT
216.58.206.65:443 <http://216.58.206.65:443> - ORIGINAL_DST/216.58.206.65
<http://216.58.206.65> - -
1724028820.164 246856 192.168.78.15 TCP_TUNNEL/200 3037 CONNECT
142.250.181.227:443 <http://142.250.181.227:443> -
ORIGINAL_DST/142.250.181.227 <http://142.250.181.227> - -
1724028820.203 246893 192.168.78.15 TCP_TUNNEL/200 3031 CONNECT
172.217.16.196:443 <http://172.217.16.196:443> - ORIGINAL_DST/172.217.16.196
<http://172.217.16.196> - -
1724028822.656 271833 192.168.78.15 TCP_TUNNEL/200 387583 CONNECT
142.250.185.238:443 <http://142.250.185.238:443> -
ORIGINAL_DST/142.250.185.238 <http://142.250.185.238> - -
1724028830.336 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028830.781 444 192.168.78.15 TCP_TUNNEL/200 18505 CONNECT
40.126.31.73:443 <http://40.126.31.73:443> - ORIGINAL_DST/40.126.31.73
<http://40.126.31.73> - -
1724028841.781 155018 192.168.78.15 TCP_TUNNEL/200 15960 CONNECT
13.107.6.158:443 <http://13.107.6.158:443> - ORIGINAL_DST/13.107.6.158
<http://13.107.6.158> - -
1724028849.443 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028849.698 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028865.261 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028865.779 517 192.168.78.15 TCP_TUNNEL/200 18557 CONNECT
40.126.31.73:443 <http://40.126.31.73:443> - ORIGINAL_DST/40.126.31.73
<http://40.126.31.73> - -
1724028870.718 109994 192.168.78.15 TCP_TUNNEL/200 6972 CONNECT 20.42.65.94:443
<http://20.42.65.94:443> - ORIGINAL_DST/20.42.65.94 <http://20.42.65.94> - -
1724028871.179 64583 192.168.78.15 TCP_TUNNEL/200 1903 CONNECT
104.18.10.207:443 <http://104.18.10.207:443> - ORIGINAL_DST/104.18.10.207
<http://104.18.10.207> - -
1724028871.179 63917 192.168.78.15 TCP_TUNNEL/200 2430 CONNECT
142.250.186.99:443 <http://142.250.186.99:443> - ORIGINAL_DST/142.250.186.99
<http://142.250.186.99> - -
1724028871.179 64709 192.168.78.15 TCP_TUNNEL/200 2439 CONNECT
142.250.185.170:443 <http://142.250.185.170:443> -
ORIGINAL_DST/142.250.185.170 <http://142.250.185.170> - -
1724028871.308 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028871.731 422 192.168.78.15 TCP_TUNNEL/200 17789 CONNECT
40.126.31.73:443 <http://40.126.31.73:443> - ORIGINAL_DST/40.126.31.73
<http://40.126.31.73> - -
1724028872.486 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028873.477 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028873.745 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028873.902 424 192.168.78.15 TCP_TUNNEL/200 18520 CONNECT
40.126.31.73:443 <http://40.126.31.73:443> - ORIGINAL_DST/40.126.31.73
<http://40.126.31.73> - -
1724028877.056 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028877.060 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028877.060 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028877.060 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028877.430 312389 192.168.78.15 TCP_TUNNEL/200 7884 CONNECT
142.250.186.78:443 <http://142.250.186.78:443> - ORIGINAL_DST/142.250.186.78
<http://142.250.186.78> - -
1724028878.800 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028878.920 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028879.072 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028880.808 7062 192.168.78.15 TCP_TUNNEL/200 836391 CONNECT
104.126.37.145:443 <http://104.126.37.145:443> - ORIGINAL_DST/104.126.37.145
<http://104.126.37.145> - -
1724028882.468 33024 192.168.78.15 TCP_TUNNEL/200 1488697 CONNECT
49.12.59.2:443 <http://49.12.59.2:443> - ORIGINAL_DST/49.12.59.2
<http://49.12.59.2> - -
1724028883.728 6671 192.168.78.15 TCP_TUNNEL/200 69351 CONNECT
52.216.185.251:443 <http://52.216.185.251:443> - ORIGINAL_DST/52.216.185.251
<http://52.216.185.251> - -
1724028883.789 6728 192.168.78.15 TCP_TUNNEL/200 69216 CONNECT
52.216.185.251:443 <http://52.216.185.251:443> - ORIGINAL_DST/52.216.185.251
<http://52.216.185.251> - -
1724028883.797 6736 192.168.78.15 TCP_TUNNEL/200 104657 CONNECT
52.216.185.251:443 <http://52.216.185.251:443> - ORIGINAL_DST/52.216.185.251
<http://52.216.185.251> - -
1724028883.845 6784 192.168.78.15 TCP_TUNNEL/200 80277 CONNECT
52.216.185.251:443 <http://52.216.185.251:443> - ORIGINAL_DST/52.216.185.251
<http://52.216.185.251> - -
1724028884.460 170355 192.168.78.15 TCP_TUNNEL/200 44690 CONNECT
185.199.108.153:443 <http://185.199.108.153:443> -
ORIGINAL_DST/185.199.108.153 <http://185.199.108.153> - -
1724028889.845 120370 192.168.78.15 TCP_TUNNEL/200 5868 CONNECT
104.126.37.161:443 <http://104.126.37.161:443> - ORIGINAL_DST/104.126.37.161
<http://104.126.37.161> - -
1724028890.011 122862 192.168.78.15 TCP_TUNNEL/200 136726 CONNECT
23.37.37.211:443 <http://23.37.37.211:443> - ORIGINAL_DST/23.37.37.211
<http://23.37.37.211> - -
1724028890.297 120381 192.168.78.15 TCP_TUNNEL/200 9176 CONNECT
2.18.140.238:443 <http://2.18.140.238:443> - ORIGINAL_DST/2.18.140.238
<http://2.18.140.238> - -
1724028891.212 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028891.365 152 192.168.78.15 TCP_TUNNEL/200 2359 CONNECT
142.250.185.138:443 <http://142.250.185.138:443> -
ORIGINAL_DST/142.250.185.138 <http://142.250.185.138> - -
1724028893.885 90253 192.168.78.15 TCP_TUNNEL/200 6374 CONNECT
13.107.246.60:443 <http://13.107.246.60:443> - ORIGINAL_DST/13.107.246.60
<http://13.107.246.60> - -
1724028900.169 0 192.168.78.15 NONE_NONE/000 0 - error:invalid-request -
HIER_NONE/- - -
1724028934.465 900262 192.168.78.15 TCP_TUNNEL/200 5530 CONNECT
52.123.243.197:443 <http://52.123.243.197:443> - ORIGINAL_DST/52.123.243.197
<http://52.123.243.197> - -
1724028960.494 60324 192.168.78.15 TCP_TUNNEL/503 0 CONNECT 172.217.16.206:443
<http://172.217.16.206:443> - ORIGINAL_DST/172.217.16.206
<http://172.217.16.206> - -
1724028960.494 0 192.168.78.15 NONE_NONE/000 0 -
error:transaction-end-before-headers - HIER_NONE/- - -
Thanks for any help,
----
Eliezer Croitoru
Tech Support
Mobile: +972-5-28704261
Email: ngtech1...@gmail.com <mailto:ngtech1...@gmail.com>
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