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06-26-2013 03:35 AM
Hey
why PA doesnt do SSL Decryption for this site: WeTransfer
i can see PA is recognizing it as this application: wetransfer
but ican see the original Go daddy ceritifcate in the browser windows, and in the PA logs i cannot see "decrypted" on this traffic why is this?
this is my decryption policy:
------------------------------------------------------------------------------------------------------------------------------------------------------------------
admin@PA-500# show rulebase decryption rules
rules {
"no Decrypt" {
category any;
type {
ssl-forward-proxy;
}
from trust;
to untrust;
source any;
destination Hilan3-192.168.210.154;
source-user any;
negate-source no;
negate-destination no;
action no-decrypt;
disabled no;
}
Decrypt {
category any;
type {
ssl-forward-proxy;
}
from trust;
to untrust;
source any;
destination any;
source-user any;
negate-source no;
negate-destination no;
action decrypt;
disabled no;
}
}
this is one of the session opened to the IP
------------------------------------------------------------------------------------------------------------------------------------------------------------------
admin@PA-500> show session id 21323
Session 21323
c2s flow:
source: 192.168.1.149 [trust]
dst: 173.241.240.180
proto: 6
sport: 52891 dport: 443
state: ACTIVE type: FLOW
src user: unknown
dst user: unknown
s2c flow:
source: 173.241.240.180 [untrust]
dst: 192.168.1.149
proto: 6
sport: 443 dport: 52891
state: ACTIVE type: FLOW
src user: unknown
dst user: unknown
start time : Wed Jun 26 13:34:22 2013
timeout : 30 sec
time to live : 19 sec
total byte count(c2s) : 1792
total byte count(s2c) : 4725
layer7 packet count(c2s) : 9
layer7 packet count(s2c) : 10
vsys : vsys1
application : wetransfer
rule : rule1
session to be logged at end : True
session in session ager : True
session synced from HA peer : False
layer7 processing : completed
URL filtering enabled : True
URL category : online-personal-storage
session via syn-cookies : False
session terminated on host : False
session traverses tunnel : False
captive portal session : False
ingress interface : ethernet1/2
egress interface : ethernet1/1
session QoS rule : N/A (class 4)
session tracker stage l7proc : ctd err bypass
admin@PA-500>
06-26-2013 04:00 AM
Just tried it again with Chrome. Our own certificate was used but at the logs still encrypted....try it also with chrome...
06-26-2013 04:05 AM
yes with chrome it is beeing decrypted by the certificate that i see in browser
but i can see different logs when accessing the website using chrome and using explorer
06-26-2013 04:17 AM
Contact the PaloAlto support. They should be able to fix it. I guess the application is the issue... We had similar problems with youtube...
06-26-2013 12:46 PM
It doesnt seem to be part of the internal whitelist at least:
Also it seems to be hosted by amazon in case that somehow affects this "bug" (or whatever it is thats happening to you):
https://www.ssllabs.com/ssltest/analyze.html?d=www.wetransfer.com
PA devices have had problems with TLS in the past... even if SSL 3.0 is supported the only support ciphersuits are TLS-based:
https://www.ssllabs.com/ssltest/analyze.html?d=www.wetransfer.com&s=176.34.236.232
Cipher Suites (sorted by strength; the server has no preference)
TLS_RSA_WITH_RC4_128_MD5 (0x4) 128
TLS_RSA_WITH_RC4_128_SHA (0x5) 128
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f) 128
TLS_RSA_WITH_3DES_EDE_CBC_SHA (0xa) 168
TLS_RSA_WITH_AES_256_CBC_SHA (0x35) 256
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