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Forward ICMP to internal server PIX
Ok I have been getting denied respones from other mail servers because they can not reslove my mail servers IP. I set up a ptr with my ISP, but my pix box will not let the request go though to the internal mail server. I have set up access-list outsode_in permit icmp any any but only the outside interface on the unit will respond. I have found a link saying I can use a permit icmp any host xxx.xxx.xxx.xxx and that will forward the icmp request but it doesn't seem to work. Any thoughts?
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Never mind I'm an idiot. It works I just have to ping it fro outside my network. I'm dumb. Thanks for the help.
Cisco
Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).
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no fixup protocol smtp 25
access-list outside_in permit tcp any host 200.200.200.200 eq pop3
access-list outside_in permit tcp any host 200.200.200.200 eq smtp
access-list outside_in permit tcp any host 200.200.200.200 eq 81
access-list outside_in permit icmp any any
static (inside,outside) 200.200.200.200 204.63.168.112 netmask 255.255.255.255 0 0
access-group outside_in in interface outside
Now I have a router at 200.200.200.201 and my pix is set to 200.200.200.202 but I seem to only be able to ping 200.200.200.201. Maybe I need to fix a setting on my router?
(obviously the IP's have been changed)