Questions tagged [port-forwarding]

For questions about port forwarding on an on topic network device. For instance, you have a firewall and need to forward a port to an internal server, but you do not know how.

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Switch FIB and router FIB

Forwarding Information Base (FIB) also called Forwarding Table or Mac Table according to wikipedia. I first explain my understanding of the FIB in both Switch and Router. Does not hesitate to correct ...
Eraseth's user avatar
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Cannot get port-forward working on ASA 5505: "Drop-reason: (acl-drop) Flow is denied by configured rule"

Months ago I made this post here on NE, but I still for the life of me just cannot figure our port-forwarding on my ASA 5505. I have since started over and am now trying the DMZ port instead, but ...
SamAndrew81's user avatar
4 votes
2 answers
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Difference between "Destination NAT" and "Port Forwarding"

As far as I can tell "Destination NAT (with PAT)" and "Port Forwarding" are different terms for the same thing, or are there any technical differences? Note: I added PAT because ...
Albin's user avatar
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How to setup port forwarding on Cisco Router running Version 15.2(4)M6

I'm trying to get traffic forwarded from my network's public IP to a private IP within the network to allow access to a server from outside the LAN. I can't quite figure out how to do it unfortunately....
happyfrog99's user avatar
2 votes
1 answer
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Port-forwarding rule on Cisco ASA not working - "Drop-reason: (acl-drop) Flow is denied by configured rule"

New to Cisco, so I hope this question isn't too noobish. I am trying to setup a port-forwarding rule to allow "any" SSL traffic in from "Outside" to the web server on my LAN. The problem is apparently ...
SamAndrew81's user avatar
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2 answers
335 views

If you're behind a firewall and all the ports are blocked, how is your browser able to access the internet? [closed]

I'm behind a router and I'm able to run game servers on my home computer after forwarding ports or using the DMZ feature on the router. However, I still don't understand the underlying technology as ...
user3163495's user avatar