Cisco Firewall :: ASA 5505 Logs All Traffic Shows Up As Router External Address
Nov 10, 2011
I have a cable modem internet connection and my cable modem is connected to an ASA 5505. The inside interface of the ASA has an IP address of 192.168.2.2 and is connected to a Linksys router's internet port which has an IP address of 192.168.2.1. The Linksys router then has a local area network of 192.168.1.0 and all my clients are on that network. Everything is working fine except in my ASA logs all the traffic shows up as the router's external address which is 192.168.2.1. I would like to see the 192.168.1.x address of the clients in the ASA firewall. I've tried making some changes to the Linksys router but that hasn't resolved it. Is there any changes I can make on the ASA to get this to work?
I have an old ASA 5505, and I'm having some trouble with Nat Hairpinning. I've done this with other firewalls before and I am having no luck now. I have an internal address that I wish to forward from an external address- so if someone goes to 123.456.789.012:3456 then it will forward to 192.168.1.244:92 (All numbers are arbitrary here- only for illustration). I have and Access Rule and NAT and PAT set up so that I can get in if I originate from outside the LAN. What I am trying to do is to have this work from inside the LAN as well- so that if I am at my desk, and I connect a device and type in 123.456.789.012:3456, it will deliver the content at 192.168.1.244:92. The problem I am having is that it just isn't working, and I cannot figure out why- When I started here, there was an address configured to work this way, and it still works- I just cannot find what is different between what I am doing and what the person who configured it did.
We have a new Cisco ASA 5550 that I am trying to configure. We are currently using a borderware firewall.
We have multiple external IP addresses and I can NAT traffic from all except for our external interface IP address.
When watching the packets in the ADSM monitor if the IP address is our external IP then I see nothing unless it is ICMP. I can ping the IP address just cannot do anything else with it.
All the rest of our provided IP addresses can be NATed and work correctly.
Traffic for our external interface IP does show up when we use the borderware firewall so we know the traffic is getting here.
We have an ASA 5505 running version 8.4. We are having problems allowing external traffic to access computers behind the firewall. Our current config is:
We have an ASA 5505 and are changing ISPs so we'll be getting a new static IP address. How do I change the external IP address using ASDM? (I haven't done it in 5 years so I'm rusty and just want ot make sure.) The ASA and ASDM are up to date.Am i correct in that I only need to change the external address in the configuration under Interfaces, then under Routing - Static Routes - Gateway IP I just need to enter the new WAN gateway address?
I have an old ASA 5505, and I'm having some trouble with Nat Hairpinning. I've done this with other firewalls before and I am having no luck now. I have an internal address that I wish to forward from an external address- so if someone goes to 123.456.789.012:3456 then it will forward to 192.168.1.244:92 (All numbers are arbitrary here- only for illustration). I have and Access Rule and NAT and PAT set up so that I can get in if I originate from outside the LAN. What I am trying to do is to have this work from inside the LAN as well- so that if I am at my desk, and I connect a device and type in 123.456.789.012:3456, it will deliver the content at 192.168.1.244:92. The problem I am having is that it just isn't working, and I cannot figure out why- When I started here, there was an address configured to work this way, and it still works- I just cannot find what is different between what I am doing and what the person who configured it did.
I 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. Any example configs?
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 10.10.1.2
So 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.
I'm configuring a 5505 for a remote office. Until they are assigned a static ip by the provider I will have to use the providers dhcp address. How do I construct an access list for the outside interface using the external address if I don't know it yet? is there a commnd that will insert the ip address in to the access list once one is assigned?
I formatted my new 3TB External hard drive on my computer and it shows close to 3TB space. Now when I hook it up to EA6500 router, it shows on 746.51 GB total. I have latest firmware installed.
I am in search of a new routers. I don't have any special task to do. Just the flow of maximum 2mb/sec data and some times video conference. However I need the Voip solution as well. I just got excited on the cisco ASA 5505 product. Can this fulfill my requirements. Can this work as the router 1841. Does this support DMVPN, SSL VPN and dynamic routing. Can I upgrade the IOS for dynamic routing purpose. Do you recommend to purchase this produe act or not instead of router ? What are the limitations of this product. If I purchase this I can use this as an router as well as strong security solution. How many ports are available for traffic flow in ASA 5505. Are all routed mode or some of them switch port.
We have a working config with 1 external IP, we need to a second webserver (https) and it should be routed via a second public IP address. I already tried some suggestions from the community but haven't been able to find the solutions.
xxx.xxx.xxx.194 is going to the internal IP of 192.168.60.1 for OWA (https) xxx.xxx.xxx.195 should go to a new webserver on 192.168.60.3
both server should be connected using SSL This is the current configuration :
ASA Version 8.3(1) !hostname fwdomain-name domain.localnames!interface Vlan1nameif insidesecurity-level 100ip address 192.168.60.250 255.255.255.0 !interface Vlan2nameif outsidesecurity-level 0ip address xxx.xxx.xxx.xxx 255.255.255.0 !interface Ethernet0/0switchport access vlan 2!interface Ethernet0/1!interface Ethernet0/2!interface Ethernet0/3!interface Ethernet0/4!interface Ethernet0/5!interface Ethernet0/6!interface Ethernet0/7!ftp mode passiveclock timezone CEST 1clock summer-time CEDT recurring last Sun Mar 2:00 last Sun Oct 3:00dns server-group DefaultDNSdomain-name domain.localobject network obj_any subnet 0.0.0.0 0.0.0.0object network NETWORK_OBJ_192.168.70.0_26 subnet 192.168.70.0 255.255.255.192
I am a total Cisco novice who has just had a ASA5505 installed to replace a linux freeware firewall (smoothwall).I'm told that the 5505 can't port forward traffic (e.g. ssh) from two external IP addresses to two internal destination machines via the same port # (22 in this example).
why I would be getting traffic on my outside interface that has a destination address which is not my assigned outside address? I recently set up my ASA 5505 on the network and gave it an available outside address of say 192.x.x.250 on interface vlan 100. When I assign vlan 100 to e0/0 and bring the port up, I start seeing lots of traffic pour into the ASDM Syslog with various destinations belonging to my subnet but that are not actually destined for my specific outside address of 192.x.x.250.They are showing a destination of say 192.x.x.85 or 192.x.x.29.
I've configured a 5505 but internal clients can't ping external ip. To test I've connect a pc with the ip of the default router on the Outside int the ASA can ping the PC and the PC can ping the ASA, but internal clients can't ping the PC
PC config 195.12.23.241/28
Here's the ASA config, so far I've wiped the ASA and started with a blank sonfig and built it up but still not working.
Does the ASA 5505 will allow the addition of a 2nd external link to its configuration? I know the device is capable of Redundant or Backup ISP Links, but that’s not what I need. I will have two different links for two different purposes. Currently we are using the ASA 5505 just for Internet access, so only the ISP link is connected, very basic configuration. We are planning a connection to a client’s global (MPLS) network and we need to be protected against any traffic coming from that network, ergo we need to use a firewall for connection to that external link.Now with the final configuration the Internet traffic must keep being routed to the ISP link, and some other traffic must be routed to the new external link. Can the ASA 5505 be configured for this scenario?
I have a Cisco 5505, 2 sites that are internal, 1 external IP (dhcp from cable modem). While on my laptop, ipad, iphone, I cannot access the server via it's external IP address. I MUST use the internal IP in order to access this site. I have heard of hairpinning, internal dns server(don't really want this).
We are currently using Cisco ACS 5.3.0.40.2. One of the Services Selection Policy it hosts is:
Receive Authentication request from a wireless controller for a wireless userIf the wireless user's username contains a particular domain suffix, the request is proxied to an external proxy server using an External Proxy service (configured for both local/remote accounting)On receiving an Acccess-Accept from the external proxy, the user is given access and ACS 5 will start logging account packets for the username (nothing appears in the RADIUS authentication logs - ACS 5 it seems doesn't log proxied authentication requests) The above setup works fine in most instances. We start to have problems when an external proxy server strips the domain suffix off the username in the Access-Accept packet e.g.
ACS 5 proxies an Access-Request to an external proxy server (with Username = someuser@somwhere.com)The external proxy replies with an Access-Accept (with Username = someuser)The user 'someuser' is given access but subsequent accounting attempts fail because their username (without the domain suffix) doesn't match the Service Selection PolicyIs there any way to get ACS 5.3 to log proxied authentication requests? If not, can I configure ACS 5.3 to use the username in the Access-Request packet (rather than the username in the Access-Accept packet) for accounting?
I have a printer sitting on an outside interface e0/7 that external vendors were able to print to prior to an ISP IP address change and IOS upgrade.
We upgraded our IOS from 8.2.1 to 8.2.5. The printer wasn't changed so the MAC address mapping is still correct on the ISP translation list. The ISP issues DHCP MAC reservations for static IP address assignment. My printer doesn't seem to be getting the DHCP assignment now.
Here is the before and after config. I'm just wondering since this worked prior to changeing the IP and IOS changes if there is another command I need since upgrading from 8.2.1 to 8.2.5. The DHCP IP address is assigned and is working on my e0/0 vlan2 outside interface.
Config that worked prior to the IP and IOS change. hostname hrhdomain-name hrh.comenable password passwd multicast-routingnamesname 10.200.200.0 TestNet!interface Vlan1nameif insidesecurity-level 100ip address 192.168.1.8 255.255.255.0ospf cost 10ospf network point-to-point non-broadcastospf
I have a issue that i am at a loss as how to solve it. I have an ASA 5505 as my firewall. I have users from other companies who visit from time to time and are unable to use their outlook email to send messages. They can however receive messages without a problem. I also have a situation where users who use windows live to access gmail are unable to send messages.
I have narrowed it down to the fact that these uses are using ssl/tls to send the mails. I did some research and found out about the inspect esmtp setting in the ASA. I have disabled it and i still have to problem. I have also removed all outbound deny statements and still no luck.
Of note is that i can send emails without attachments. They take a long time to go out ( from minutes to hours) but eventually they do. Emails with attachments of even 10k do not go at all.
I was running image 8.2.3 and i downgraded to 8.0.5...still did not work...i upgraded to 8.4.3...still did not work. I am now back at 8.2.3.
My Firewall config is attached. I am at my wits end as to what else to try. The company has not renewed support for the device so i am on my own here!
I have purchased a subnet of 8 private IP addresses from my ISP. 109.x.x.128/29.The ISP has placed a juniper router within our data centre which is routing purely from 109.x.x.206/30 to 109.x.x.128/29 with the ip of fa0/1 set to .129.
I have linked a cisco 5505 to fa0/1 of the juniper from fa0/0 and configured its IP to .130. I have configured NAT to translate our client pool 192.168.16.x /24 address' to the internet.
Is it possible for the 5505 to route / map my remaing private IP addresses through its external port? I have tried creating a seperate VLAN for a DMZ for our servers to sit within but am returned with a subnetting error as VLAN for my external port is all ready configured within the same subnet.
i got a d-link router comming off modum and then a lynksys switch . well when i run the lorex program it (the switch) shows up as a router with a ip address ? i have tried a different swith but still the same thing happens .
I am able to ftp from my Head Office to my test machine at the remote location but I can't get the other way around to work. Error message from the Syslog deny tcp src 192.168.50.5/1825 dst 208.124.202.44/21 by access-group "dmz_access_in".I try a couple of ways to fix it but no luck.A partial config of my ASA 5505. [code]
We have a BT Infinity broadband circuit which terminates at a vdsl modem, I've plugged an ASA 5505 into the back of this modem and gone through the ADSM quick setup wizard (yes I'm that much of a beginner!) The config that's been generated is pasted below, the symptomns I'm seeing are;
The ASA is setup with PPPOE on the internet connection, I assume this is correct as if I do a show IP on the ASA I'm getting an IP address that has been assigned, if I change the password to the wrong one then I get no IP (as expected).
If I ping from the ASA to an internet connection I'm getting "no route" error messages, if I try a "ping outside x.x.x.x" then I get no repsonses.
The ASA can ping it's external IP, the client machines can ping it's internal, however nothing appears to be able to get out.
ASA Version 8.4(1) ! hostname xxxxxx enable password xxxxxx encrypted
I could get a list of clients on the E3200 wireless (or wired) ports. I have my E3200 setup as a WAP LAN-LAN off a switch and it is not the DHCP server on the network. I can see a list of MACs on the client list, but no client names and no IP addresses. They are definitely named and show up on the WRT54GL (DHCP and NAT) as devices
We have 110mbps internet service. When we have the 5505 behind the cable modem, our speed drops to 55mbps or so. If we remove the 5505, we see the full 100mbps. I assume the 5505 can handle the speed; if so, what other things should I be looking at?As an aside, we used to have 50mbps wich worked fine, then the ISP upgraded to 60mbps and the through put dropped to 30mbps (It always seems to be half)
My understanding is for insight to outside we need global and NAT, and for outside to inside we need static and ACL? Traffic goes to high to low, I'm just start working with 5505 recently.
I have VPN up and running between two sites. Both sites have Cisco ASA 5505. I can ping across the devices from both networks. But I cannot remote into the servers on the other network.
I have a Cisco ASA 5505 that I have configured. The outside interface is vlan 2 and the inside interface is vlan 1. Port 0 of the ASA is configured to be in vlan 2 and is connected to the ISP provided subnet. Port 1 is connected to my private LAN subnet. I have an additional router connected to Port 2 for guest connectivity. Port 2 is configured to be a member of VLAN 2 so that it can access the ISP provided subnet. From the device connected to port 2 I can ping the vlan 2 interface address of the ASA and from the ASA I can ping the Default gateway of the ISP provided subnet. For some reason the router on port 2 cannot ping the default gateway of the ISP provided subnet. If the vlan were working the same as a vlan in a switch, I would expect to be able to do this. why it is not working or what I can do to get it working?
I'm trying to allow SSH traffic from the Internet to my DMZ. I gave my remote guy my ip and he can see the ASA 5505 but not get into the DMZ. The outside is 70.165.19.137. The DMZ server is 192.168.60.2. I have the inside talking to the DMZ fine. [code]
