Tagged Questions
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vote
1answer
74 views
Cisco ASA 5500 - Internet connection dies when adding ICMP exception to firewall
When I add ICMP to be allowed both on inside / outside interfaces the internet connection dies. Does anyone know why this happens?
I kind of observed that this behavior takes place not just for ICMP.
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1
vote
0answers
87 views
Disable response from outside interface on ASA 5505 while allowing ping (and response from outside) on the inside interface?
On the ASA 5505 How do I allow icmp requests out (and responses back in) while not allowing a response from the outside interface when pinged.
3
votes
3answers
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Denying ICMP type 3 code 4 traffic - good or bad?
Investigating a slow VPN connection (Cisco ASA IPSec) to a remote office, I noticed on our firewall a lot of access rule matches:
Denied ICMP type=3, code=4 from *ip_address* on interface outside
I ...
2
votes
1answer
29k views
How do you allow ICMP Echo Requests on a Cisco ASA 55xx Router?
I'm very new to managing Cisco equipment, so bear with me.
I'm configuring a Cisco ASA 5505 router for my office, and I am reasonably competent enough with the console to configure the basics -- our ...
