Cisco Firewall :: 4443 Forwarding A Single Port
Jan 22, 2012
Is there a way to forward a single port, while leaving the others alone? For instance I want to forward all https traffic on a public IP to an internal server on port 4443. At the same time traffic on all other ports for this IP needs to be forwarded on the original port. It looks like creating a Network Object will allow a single port to be forwarded, but what happens to the remaining traffic? I attempted to create Service Objects that I then assigned to NAT statements.
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May 28, 2013
I need the following ports forwarded for a single ip address Port 88 (UDP)Port 3074 (UDP and TCP)Port 53 (UDP and TCP)Port 80 (TCP) .Is there an easy way to to it with service objects/groups?
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Aug 29, 2011
I cannot add or modify the informations in the Single Port Forwarding . I get a message saying: Invalid Character(s) found. All characters are good. I get the same message when only click on the "SAVA" button. I have the latest firware V2.0.2.7
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Mar 5, 2010
How to forward a single port to a different port to a specific computer for the WRV210 router?
I would like to forward port 10100 to port 25 to my mail server. There are times when our people are at a hotel and they block port 25 and I have done this in the past on a BEFSR11 and BEFSR41 router. There does not seem to be a Single Port Forwarding setup page and the Port Forwarding setup page only allows you to forward a range to a specific computer, it does not give you a different port you can assign an incoming port to.
I have the most current firmware revision, 2.0.0.11, and Hardware Version WRTR-221G_V01.
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Jul 15, 2011
I was wanting to port forward a port that was 25565 for a game of mine, but everytime I try it won't work.
By the way, it's 7AM and I didn't sleep yet so i'll explain more detailed in the morning.
I'm using a E2000 Router.
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Nov 3, 2011
At the E4200 there is a limit of (free to make) 15 Single port forwarding and 15 port range forwarding to fill in.I get as suggestion that I must give up a total range of ports where all the ports I use where in.But for security reasons I will not do that.
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Sep 6, 2011
I did read the thread entitled ''WRT160N Can't save settings'', but I believe this might be different. My router is actually communicating with my computer (physically plugged in), since I can save all other settings EXCEPT the port-fowarding ones.I am trying to save settings for a gaming application in the Single Port Forwarding section of my router settings. After clicking both ''save settings'' and ''continue'', it simply returns to the Single Port Forwarding section, except everything is blank, as though nothing was saved.
Here are my specs:
WRT160Nv1
Firmware Version: v3.0.03
Here are the steps I have already undertaken:
1- Erase browser cache and cookies
2- Updated to latest firmware (v3.0.03), 10-second reset button, 20-second power cycle.
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Jul 1, 2012
Type: WRVS4400N Wireless-N Gigabit Security Router with VPN.I bought it last week. Its single port forwarding has an issue. I can only use that function for a couple or hours. Then the forwarding does not work. I have to reboot the router to make it available again.
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Dec 2, 2011
So here is my network.
ASA5505--->Cisco1841--->Cat2960
Code
ASA asa831-k8.bin
Cisco 1841 c1841-adventerprisek9-mz.151-4.M2.bin
Cat 2960 c2960-lanbasek9-mz.122-55.SE1.bin
and here is my dilemma.
I can SSH from the internet to my ASA on default port 22, directly to my public IP. I can SSH from the internet to my Cisco 1841 on port 2001. I can not however, SSH to my Cat 2960. From what i can tell, on the Cat2960 i can't change the default port 22 for SSH to different port, just like i did on the Cisco 1841. I looked to see if I can change the default port for SSH on he ASA, it does not look like this is an option.
The bottom line is that i want to be able to SSH to all three devices from the internet. I only have one public IP. As of now, what i can do is only SSH to the ASA on default port 22 directly to the public IP and Cisco 1841 on port 2001. It appears that changing the default SSH port on Cat 2960 is not an option. It also appears that I can't change the default SSH port on the ASA, if i could, i would and then i should be able to SSH to the Cat 2960 on port 22. No matter what i did on the ASA, it always listens on port 22 for SSH connections.
show asp table socket
TCP 001f549f <<pub IP>>:22 0.0.0.0:* LISTEN
how do i make it listen on different port?
Here is relevent config for SSH for cisco 1841 (port forwarding)
ON ASA
object network ROUTER
host 10.10.1.1
[Code].....
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Apr 7, 2013
I am trying to open up port 32400 on my 881w Cisco router but I have not had any success I need to configure manual port-forward to enable my Plex Media server.
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Feb 1, 2012
I have a private network behind a configured Cisco ASA 5510. I need to send data back and forth between a server on the inside network and a device on the outside network on port 44818. No amount of configuration is allowing this to happen. The packet tracer always fails on of the implicity "deny" rules, even though my other rule should explicitly permit it. I also realize I need to set up routing from my outside network to the inside network, but I cannot see from the documentation how to do that on this particular port without simultaneously breaking my outside connection.
The inside IP for the ASA is 192.168.25.1
The outside IP for the ASA 192.168.11.54
Here is my current configuration:
: Saved
: Written by enable_15 at 08:49:25.956 UTC Thu Feb 2 2012
!
ASA Version 8.2(5)
[Code]....
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May 21, 2013
We are migrating from a nother brand to an ASA Cluster running 8.4.5
We have a web-server on an inside interface listening on a non standard port - 20111. We have created a static NAT translating the public ip to the private, so If I do http://public-ip:20111 it works. (we are using a seperate public IP for this service only).
Now I need to create a NAT rule that will forward requests on BOTH port 80 and 443 to the same private ip and the same port number (20111)
The Private address is 10.99.250.20 and the "public" (I've replaced it in this example) is 172.16.16.16 I have managed to create a NAT that will translate 443 to 20111:
object network 10.99.250.20 nat (Private-DMZ,Outside) static 172.16.16.16 service tcp 20111 https
But if I try to add another rule like: nat (Private-DMZ,Outside) static 172.16.16.16 service tcp 20111 http It will simply replace the first one.
Is it possible to redirect both 80 and 443 from outside to the same port number and same IP on the inside?
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Sep 20, 2012
I have been using static NAT to map between a single server behind an ASA 5505 and a single public IP address. In other words, I've been doing this:
object network NAT_ME
nat (inside,outside) static interface
Now I would like to start using the clientless VPN feature of the ASA, so I of course don't want that particular port forwarded to the server. Is there a way to define such an exclusion? I've tried several things, including setting up a separate NAT rule to direct that port back to the ASA's interface, without luck.
If that is not possible, what configuration would I need to move to in order to get the behavior that I want? It is important that all (non-VPN) traffic is passed exactly as it arrives at the firewall (whether it is coming from internal or external), with the exception of changing the IP address (i.e., I need static port mappings for some of my services).
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Aug 9, 2012
I have a cisco 5520 with 8.4.4(1) and I already have a NAT for an email server on it.Here is the IP and ports on current configuration:
Email Server Private IP: 1.1.1.1
Email Server Public IP: 2.2.2.2
Email Server Local Ports : 25, 587
Right now I have ports 25 and 587 opened for 2.2.2.2 so, now I need to add a port redirection for another port:
New Port : 8925
I need to redirect 2.2.2.2:8925 to 1.1.1.1:587
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Apr 11, 2013
i'm having a problem portforwarding/redirection for the pix 501?I'm trying to open the ports 49003 and 40085 in order to view our dvr remotely and i'm not exactly sure how to it.
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Nov 5, 2012
I have an issue with portforwarding in my teleeye cctv behind asa 8.4. I can browse the DVR outside via http however when i attempt to login, "server busy" will prompt afterwards. Note: Theres no issue when acesssing the DVR locally.
Heres my config.
OUTSIDE INTERFACE:
interface Ethernet0/3
speed 100
duplex full
[Code]...
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Apr 1, 2012
I'm new to an ASA 5510 running 8.4(3) and am trying to figure out something regarding time ranges in ASDM. I simply want to allow a single port during business hours only (I'm not concerned about open sessions needing to be closed). So as an example I add a rule something like:
(RULE1 on the internal interface) SRC=INTERNAL DEST=ANY SERVICE=RDP ACTION=PERMIT with a time range set for weekdays 8:00-16:59. I did a test after 5pm on a weekday and was still allowed to do RDP to a server (from INTERNAL), and after using the packet trace tool saw it was still passing through due to a rule a couple lines down (rule 4) that allowed a port range that happened to include port 3389. So my question is if I specify an "allowed" time range and someone attempts access outside that time range, why doesn't it drop it right there? I guess I'm assuming that anything outside the "allowed" time range would be dropped but that doesn't seem to be the case. I'm also assuming the rule base is processed top to bottom.
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May 2, 2011
i have a asa with a outside IP address of 140.32.121.5. behind this firewall i have a cisco MWR 2941 that i would like to connect to via telnet. its inside ip address is 10.10.10.2. my reasoning for this is because i cannot SSH or telnet from a ASA so i need to have the ASA push my telnet request to the router on its inside interface.i have tried some NAT examples but i am very green with NAT. i have also built access lists that look like the follow " access-list 101 permit tcp any 10.10.50.2 eq 23. and then tied the access-group 101 with the outside interface. this also with no success.
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Oct 30, 2012
I need to open port range 554 - 558 to a DVR on the internal network. Also, I need to NAT one of my public IP's to the DVR. How is this accomplished in 8.4? I was able to do it in an older version ASA software.
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Sep 4, 2012
I've tried setting up some simple port forwarding on my ASA, where I want to forward one port on the external interface for both UDP and TCP to the same port on an internal server.
It works fine for UDP, but all TCP packets are dropped on the outside interface, even though the configuration for UDP and TCP is basically the same! This is my config:
object network MY_SERVER
host 10.10.1.4
object service TCP_MY_SERVICE
[Code].....
Port count goes up on line 2 (UDP) but never for line 1. I just see the packet denied instead. Same thing happens in the packet tracer, a packet destined for my external interface on that port for UDP is allowed and NAT'd just fine. TCP it gets dropped by the ACL on the outside interface.
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Oct 23, 2012
I have a Cisco ASA 5510 appliance running ASDM 6.3 We have a number of public IP addresses associated with our company. In order to utilise the IP addresses effectively I want to use one puplic IP address for two servers running on different ports.e.g.
Public IP address 78.109.174.100
for both
Server 1 HTTPS and HTTP
Server 2 FTP
Both Servers live in the same subnet (DMZ) I believe this maybe port forwarding but could be completely wrong. I've tried creating a NAT rule that goes from Server 2 Network object to Server 1 external but this didn't work.
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Feb 25, 2013
have a couple of ASA 5505's which work fine for what they are doing VPN and all that - we have 1 DLINK DFR-700 Firewall left and I need to get a new ASA to replace this since it is old.All this box really does is port forward external clients to 1 address on the internal lan for client software updates.So lets say we have client a with IP 1.1.1.1 and client b has 2.2.2.2 - at the moment this is what happens client a and b come in through http and get mapped to the internal http server 10.10.1.2So I need to setup about 100 clients which can come in through http only - get mapped to the internal IP and also keeping the internal server to be able to access anything outside.
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Dec 6, 2012
I have ASA5505 and am having issue with port forwarding NAT . [code]
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Jun 6, 2013
I'm trying to forward an internal service on a internal server to the external interface on the same port on the outside interface of our ASA.I been searching for a solution for days and found nothing.Here are the relevant parts of my config:
: Saved
:
ASA Version 8.4(2)
!
object service TCP-WebServer-8080
service tcp source eq 8080
object network WebServer_Object_10.1.10.7
host 10.1.10.7
[code]....
So it looks like it's being dropped by an ACL, but it looks right to me.
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Dec 3, 2012
I have a ASA 5510. I want to access the internal server IP through the ASA via http://60.54.x.x:8080/sms/DnNotify ( via port 8080).How do i configure it? NAT? ACL? configure port?
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Sep 1, 2012
I have the following configuration in my ASA 5505 and I'm having problems connecting with other players on my XBox (moderate NAT).
I think my problem is that I need to forward ports tcp:3074, udp:3074, and udp:88 to my xbox which is at 192.168.2.50 (vlan 3 below).
[code]
# sh run
: Saved
:
[Code].....
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Oct 1, 2012
I am trying to forward specific ports from the outside interface on my ASA5505 to my servers inside and can not get it to work! I have a VPN that currently works and the firewall rule in place I am just overlooking something simple I'm sure. Here is the config:
ASA Version 8.2(5)
!
hostname ASA
enable password <removed>
passwd <removed>
[Code]...
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Oct 3, 2012
I am trying to forward all the traffic of a particular port number to my outside interface forwarded to an internal IP address.
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Apr 2, 2012
I'm having issues both with port forwarding and VPN with my PIX. I've tried different ways to set up port forwarding for remote desktop, but I still haven't had any luck.
With the VPN, I can secure a connection into the PIX, but I cannot access the internet or ping any of my devices on the remote network.
hostname PIX-515E-1
domain-name #####
enable password ##### encrypted
passwd ##### encrypted
names(code)
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Mar 15, 2012
We are trying to setup our ASA 5505 to do port forwarding to multiple internal servers and have run into some issues. A little background on what we are trying to do.
We have 1 static external IP. Internally we have one exsisting server (10.1.1.184) that has port 80 forwarded to it and another exsisting server (10.1.1.185) that has port 443 forwarded to it. Both of these servers are serving seperate web apps to our employees who of course use them offsite. We have now added an additional server (10.1.1.186) that needs to use both ports 80 and 443. Is there any way to set it up so that these ports can be forwarded to all the servers that need them? Also, how would this work as far knowing what traffic will need to go to which server even though it is using the same port?
The equipment is: ASA 5505ASA Version 7.2(4)ASDM Version 5.2(4) I appologize in advance if what I'm trying to do is difficult/impossible. I inherted the ASA 5505 at this location and I was not here when it was initially installed. In fact no one on staff was here when it was initially installed. I did manage to find the passwords to it though. I'm not at all familiar with the ASA 5505 or Cisco secuirty appliances in general.
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Aug 21, 2011
how do i enable port forwarding on the CLI for ASA 5510. outside subnet is 192.168.1.0/27. when i try to ping another IP with that range i can't access.
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May 4, 2011
All I want to do is have VNC connect on port 5950. So I want to forward traffic coming in on the external ip address on port 5950 an internal ip address on port 5950. Here is my config:Building configuration...Current configuration.
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Dec 5, 2012
I have a network with multiple servers behind a PIX with 6.3 on it. I have one public IP address, and I'm using NAT. I'm currently trying to port my Exchange server to a cloud host, and the vendor is requiring I open up a wide range of ports for MAPI, basically ports 1024 on. What would be the command to forward all of the trafic cominto/from that broad range? if I could simply route all trafic to and from their two IP addresses to my email server, that would accomplish the same end goal.
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