Re: A bunch of SSL errors I am not sure why

[Sameh Onaissi <sameh.onaissi@xxxxxxxxx>]

Hello Eliezer, all,

I removed the cipher and the problem is still there:

2017/01/13 10:20:50 kid1| Error negotiating SSL connection on FD 138: error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca (1/0)

2017/01/13 10:21:05 kid1| Error negotiating SSL connection on FD 191: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (1/0)

2017/01/13 10:21:17 kid1| Error negotiating SSL connection on FD 194: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (1/0)

2017/01/13 10:21:17 kid1| Error negotiating SSL connection on FD 198: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (1/0)

2017/01/13 10:21:18 kid1| Error negotiating SSL connection on FD 194: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (1/0)

2017/01/13 10:21:18 kid1| Error negotiating SSL connection on FD 194: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (1/0)

2017/01/13 10:21:19 kid1| Error negotiating SSL connection on FD 194: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (1/0)

2017/01/13 10:21:24 kid1| Error negotiating SSL connection on FD 163: Closed by client

2017/01/13 10:21:39 kid1| Error negotiating SSL connection on FD 250: error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca (1/0)

2017/01/13 10:21:42 kid1| Error negotiating SSL on FD 298: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed (1/-1/0)

2017-01-13 10:21:53 [29866] Request(everyone/deny/-) https://accounts.youtube.com/accounts/CheckConnection?pmpo=https://accounts.google.com&v=-1574475776&timestamp=1484320896449 10.0.0.127/10.0.0.127 - GET REDIRECT

2017/01/13 10:21:56 kid1| Error negotiating SSL connection on FD 109: error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca (1/0)

2017/01/13 10:21:56 kid1| Error negotiating SSL connection on FD 309: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown (1/0)

2017/01/13 10:22:25 kid1| Error negotiating SSL connection on FD 155: Closed by client

Thanks.

On Jan 12, 2017, at 7:28 PM, Eliezer Croitoru <eliezer@xxxxxxxxxxxx> wrote:

Try removing:
cipher=ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:DHE-RSA-CAMELLIA128-SHA:AES128-SHA:RC4-SHA:HIGH:!aNULL:!MD5:!ADH

From the ssl-bump line and see what happens.

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From: squid-users [mailto:squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Sameh Onaissi
Sent: Thursday, January 12, 2017 11:10 PM
To: squid-users@xxxxxxxxxxxxxxxxxxxxx
Subject: [squid-users] A bunch of SSL errors I am not sure why

System info:
Squid Cache: Version 3.5.22
Ubuntu linux 16.04


Hello,


Last couple of days I have started seeing SSL errors in my cache.log which I don’t really understand: http://pastebin.com/mDHVm7cQ

My SSL bump configs:

http_port 3127 intercept
http_port 3128
https_port 3129 intercept ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=4MB cert=/etc/squid/ssl_certs/squid.crt key=/etc/squid/ssl_certs/squid.key cipher=ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:DHE-RSA-CAMELLIA128-SHA:AES128-SHA:RC4-SHA:HIGH:!aNULL:!MD5:!ADH

acl step1 at_step SslBump1
acl step2 at_step SslBump2
acl step3 at_step SslBump3
ssl_bump peek step1 all
ssl_bump bump all




I have tried deleting /var/lib/ssh_db and recreating a fresh one, restarted squid, and no luck.


While the service still works fine, some websites like https://web.dlinkla.com/websys were showing a handshake error until I added the site IP into a bypass list.
The internet speed also drops every now and then due to this.


Any help is appreciated with these errors.


Thanks,
Sam

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