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Re: Squid 4: Cloudflare SSL connection problem

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*NIX means UNIX. Solaris is AT&T UNIX. Linux is not UNIX (C) Linus Torvalds. :) We are not speaking about all possible OS'es. I suggests the matter in SSL/TLS, not OS or hands or something similar.

The problem is in CF, I think. As a maximum in peek-n-splice.


Because of I've not changed my squid.conf over last year, but approx. in january 2016 CloudFlare stopped work via proxy, as said my field SA. AFAIK, CF change own security settings. Also, I suggests, mozilla .org also moved behind CF.

Ok, let's talk about squid.conf. SSL-related rows are here:

# SSL bump rules
acl DiscoverSNIHost at_step SslBump1
acl NoSSLIntercept ssl::server_name_regex -i "/usr/local/squid/etc/url.nobump"
acl NoSSLIntercept ssl::server_name_regex -i "/usr/local/squid/etc/url.tor"
ssl_bump peek DiscoverSNIHost
ssl_bump splice NoSSLIntercept
ssl_bump bump all

http_port 3126 intercept
https_port 3127 intercept ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=4MB cert=/usr/local/squid/etc/rootCA.crt key=/usr/local/squid/etc/rootCA.key options=SINGLE_DH_USE,SINGLE_ECDH_USE tls-dh=prime256v1:/usr/local/squid/etc/dhparam.pem cipher=HIGH:MEDIUM:!aNULL:!eNULL:!RC4:!LOW:!MD5:!EXP:!PSK:!SRP:!DSS
http_port 3128 ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=4MB cert=/usr/local/squid/etc/rootCA.crt key=/usr/local/squid/etc/rootCA.key options=SINGLE_DH_USE,SINGLE_ECDH_USE tls-dh=prime256v1:/usr/local/squid/etc/dhparam.pem cipher=HIGH:MEDIUM:!aNULL:!eNULL:!RC4:!LOW:!MD5:!EXP:!PSK:!SRP:!DSS
tls_outgoing_options cafile=/usr/local/squid/etc/ca-bundle.crt options=SINGLE_DH_USE,SINGLE_ECDH_USE cipher=HIGH:MEDIUM:!aNULL:!eNULL:!RC4:!LOW:!MD5:!EXP:!PSK:!SRP:!DSS
sslproxy_foreign_intermediate_certs /usr/local/squid/etc/intermediate_ca.pem
sslcrtd_program /usr/local/squid/libexec/security_file_certgen -s /var/lib/ssl_db -M 4MB

I see no anomalies in this lines. Ciphersuite is very relaxed.

Also, if we discuss a bug - may be better to turn on debug to know, why 4.x got first NONE_ABORTED/200 during CONNECT phase and then NONE/503 during TLS negotiate?


17.04.16 14:58, Eliezer Croitoru пишет:
> For me it works.
> ...
> The first thing to do is publish the squid.conf with a bug report and all other related info.
> *NIX doesn't mean CentOS since on CentOS this specific issue doesn't exit.
> I assume that if it works on CentOS it will work almost the same for Ubuntu and Debian.
>
> Eliezer
>
> On 16/04/2016 19:50, Yuri Voinov wrote:
>> 3.5.16 on *NIX is also has this issue.
>>
>> Only 3.5.16 Win64 is works like sharm.
>
>
>
> _______________________________________________
> squid-users mailing list
> squid-users@xxxxxxxxxxxxxxxxxxxxx
> http://lists.squid-cache.org/listinfo/squid-users


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