Wednesday, November 21, 2018

Cisco DMZ ACL/NAT Single IP

Having a hell of a time getting this running. First time using ASA.

Everything internally works. Inside and DMZ can browse the internet. Webserver in the DMZ is using the DNS server on Inside. I am trying to get my public webserver access up, and I can't figure out why it's not working.

I think I've got a NAT issue?

NAT

1 (inside) to (outside) source static webserver interface service tcp www www

translate_hits = 0, untranslate_hits = 73

2 (inside) to (outside) source dynamic inside-subnet interface

translate_hits = 5657, untranslate_hits = 4

3 (dmz) to (outside) source dynamic dmz-subnet interface

translate_hits = 89979, untranslate_hits = 3

4 (inside) to (outside) source dynamic obj_any interface

translate_hits = 1881, untranslate_hits = 6

PACKET TRACE

fw-dev(config)# packet-tracer input inside tcp 192.168.5.55 12345 my.pub.ip.add 80

Phase: 1

Type: ROUTE-LOOKUP

Subtype: input

Result: ALLOW

Config:

Additional Information:

in my.pub.ip.add 255.255.255.255 identity

Phase: 2

Type: ROUTE-LOOKUP

Subtype: input

Result: ALLOW

Config:

Additional Information:

in my.pub.ip.add 255.255.255.255 identity

Result:

input-interface: inside

input-status: up

input-line-status: up

output-interface: NP Identity Ifc

output-status: up

output-line-status: up

Action: drop

Drop-reason: (no-route) No route to host



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