Hi Eliezer,
The command for www.google.com failed to complete the connection with a unknown protocol error:
openssl s_client -connect www.google.com:443 -showcerts
CONNECTED(00000003)
140623996839752:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:766:
---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 7 bytes and written 263 bytes
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
---
The command for www.google.com.au, google.com.au AND google.com all got the certificate fine, for example a snipt:
openssl s_client -connect www.google.com.au:443 -showcerts
CONNECTED(00000003)
depth=3 C = US, O = Equifax, OU = Equifax Secure Certificate Authority
verify return:1
depth=2 C = US, O = GeoTrust Inc., CN = GeoTrust Global CA
verify return:1
depth=1 C = US, O = Google Inc, CN = Google Internet Authority G2
verify return:1
depth=0 C = US, ST = California, L = Mountain View, O = Google Inc, CN = google.com
verify return:1
---
Certificate chain
0 s:/C=US/ST=California/L=Mountain View/O=Google Inc/CN=google.com
i:/C=US/O=Google Inc/CN=Google Internet Authority G2
------------------------------------
Server certificate
subject=/C=US/ST=California/L=Mountain View/O=Google Inc/CN=google.com
issuer=/C=US/O=Google Inc/CN=Google Internet Authority G2
---
No client certificate CA names sent
---
SSL handshake has read 10548 bytes and written 389 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-AES128-GCM-SHA256
Session-ID: 363AA9E6E5446296B11FC1763C24C0C23D6D4D67E4E0D858CEAA9C3B8172CE9A
Session-ID-ctx:
Master-Key: 30AC2CE9E8447130F9A4664CEF9399075C5C97602F4908D532540CE3694558AF66D54A5390FAF137BB8121785D0B7BB3
Key-Arg : None
Krb5 Principal: None
PSK identity: None
PSK identity hint: None
TLS session ticket lifetime hint: 100800 (seconds)
TLS session ticket:
0000 - 58 90 ee 84 cd 6d 26 5f-13 10 64 4c df 9a 1d a2 X....m&_..dL....
0010 - 61 fe 82 ea b8 28 c2 51-6d f4 d9 ac 4c a1 45 be a....(.Qm...L.E.
0020 - b4 e0 d0 2e 83 3b 08 f4-e1 20 0f 8d 7a fa 77 9f .....;... ..z.w.
0030 - 0b 15 5c a3 6f 36 a7 79-4a 8f 70 af ee 81 0e 34 ..\.o6.yJ.p....4
0040 - 78 a0 ba 22 84 62 56 7f-19 37 19 d3 66 bd 9a e2 x..".bV..7..f...
0050 - 5b a4 47 29 3d 73 32 a8-f8 2a 29 29 b6 81 1f 9b [.G)=s2..*))....
0060 - 74 bb a9 9a 6f 3a 70 5d-31 7c 5b ba 6c 06 2c 59 t...o:p]1|[.l.,Y
0070 - 14 b9 c8 af d5 3e 05 15-48 52 2e c6 0e c6 31 15 .....>..HR....1.
0080 - 26 2e a6 5f d7 e4 09 dd-24 f7 74 ac 5e bb 00 ea &.._....$.t.^...
0090 - 39 d8 70 0e ba 87 99 fe-ff 9c 02 cd bf f2 d4 8b 9.p.............
00a0 - 2a c2 90 b2 *...
Start Time: 1418082857
Timeout : 300 (sec)
Verify return code: 0 (ok)
-----Original Message-----
From: Eliezer Croitoru [mailto:eliezer@xxxxxxxxxxxx]
Sent: Monday, 8 December 2014 1:21 PM
To: squid-users@xxxxxxxxxxxxxxxxxxxxx
Cc: Glenn Groves
Subject: Re: https issues for google
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
OK Glenn,
It's unclear on what side the SSL error is.
There are issues and the next step would be to try to run some openssl s_client test towards these hosts.
An example throw a proxy and directly can be found in the next link:
http://stackoverflow.com/questions/3220419/openssl-s-client-using-a-proxy
We will see together the results of the basic test of direct connection vs a tunneled connection from the proxy itself and understand better the issue.
Eliezer
On 12/08/2014 02:25 AM, glenn.groves@xxxxxxxxxxxxxxx wrote:
> --Iptables is enabled, I suspect this should not be a problem there as
> some SSL sites work. -- We do not use IPV6, I have tried disabling
> IPV6 in Centos and leaving as is, no difference there.
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