[squid-users] Squid Behavior to Ping Destination on Registered Ports

Antony Stone Antony.Stone at squid.open.source.it
Sat Nov 18 22:06:31 UTC 2017


On Saturday 18 November 2017 at 21:21:38, Kevin Wong wrote:

> My firewall (Juniper SRX) caught outbound ICMP flows using vulnerable ports

That makes no sense.  ICMP doesn't use port numbers.

> before initiating outbound HTTP traffic.  I am running an updated Squid
> Proxy on Ubuntu 16.04.  Can anybody explain or confirm the Squid behavior?

What ICMP traffic are you blocking and why?


Antony.

-- 
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