Cisco WAN :: LAN Traffic Not Getting Out On ASA 5505
Apr 18, 2012
For some reason my ASA is preventing my traffic from going out. I've added some crumby access-list and applied it to NAT for it to work. I don't like this. I know it is not right, but I am not sure what part is wrong. I will highlight the stuff I have added to make it work. I don't see what I am missing. If I were to remove these lines my ASA could ping in both directions (in and out), but my LAN cannot do anything but ping the ASA. No other traffic is going out unless I have added these unsafe lines of code.
!
interface Vlan1
nameif inside
security-level 100
[Code].....
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Dec 5, 2012
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]
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Sep 7, 2011
I've got a client that recently got an ASA 5505. E0/0 is connected to the outside, E0/1 connected to the internal server (Win 2008). The ASA "local network" is 172.30.1.0/24; my internal network is 192.168.1.0/24. I'm able to connect from home through AnyConnect and get a proper address (which I've got a pool of 172.30.1.64/26 assigned for VPN users), but no traffic from my computer will go to the internal network, nor will the internal server (or the ASA for that matter) can't talk to my VPN'd computer.
On the firewall settings on the ASA, I've got it all open: any/any on both inside and outside, just to try and get anything to go through. I've even got split-tunneling working, but not traffic-passing! The config is below (redacting local AAA users).
[Code] .....
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Sep 26, 2012
I am tasked to connect my VoIP phones from remote site to my corp site. Basically all remote phones will be registering into a VoIP server in corp site. I have a site to site vpn tunnel established already from remote site to corp site. My hardware includes the following:
-Cisco ASA 5505
-Cisco small business POE switch SF300 24p
-Avaya 2015p VoIP phones
Successfully Register remote VoIP phones to corporate VoIP server 10.30.18.55.I have already configured vlan1 10.30.15.0/24(inside lan) and vlan2 public int(outside Internet) which my dmz only allows 2 per my basic asa licensing.When I connect my phones and register it states "subnet conflict" unable to register.
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Apr 9, 2013
I have a client with an ASA 5505 who has several networks he's trying to get communicating over a VPN tunnel with a remote office. One of the networks is not working because it's also in use on the management interface of the other side of the tunnel and neither side seems willing to re-IP their internal space.
Their proposed solution is to NAT the conflicting network on the firewall on this side to a different subnet before passing it across the tunnel. How do I implement a NAT that only the VPN tunnel uses while keeping the rest of the traffic that comes across this device un-NATted?The network in question is 192.168.0.0/24. Their desired NAT target is 172.16.0.0/24. ASA config is attached.
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Jul 24, 2011
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
[Code].....
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Jun 27, 2011
I have ASA 5505 that has two inside security level 100 interfaces and an outside interface.On the inside interface we have corporate domain subnet with DC and 30 hosts. On the inside2 interface I have few servers that runs specific application important for our business needs, and dumb terminals that are connected to them.I have a laptop user that periodically needs access from our corporate vlan1 to one of the servers on inside 2 vlan via remote desktop or some other remote viewer client,so he can view reports etc.I have enabled same-security-traffic intra-interface command and added nat exempt command pointing specific laptop host machine to that specific server.
Now my main concern is regarding security. This user carries his laptop home, browses the web, puts USB memory, and you can imagine how this machine is susceptible to all kind of malicious software. Inside2 vlan is very important and until now it has been a very secure environment.This is no longer the case since all traffic between this inside sec level 100 vlan host and corresponding inside2 sec level 100 server is now allowed because of the enabled same level interface traffic and nat exemption rule. Do I have another solution that would allow communication based on just a tcp port number for this host? Something like port forwarding from outside to inside Vlan interface?
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Dec 5, 2010
I've a asa 5510 on the main site and different ASA 5505 on secundary sites for VPN tunneling between the sites. The problem is that the tunnels are acomplished but no traffic is going over them. What am i doing wrong? For the moment there is a ASA 5505 on the main site managing the tunnels but I want the 5510 to take over the job.
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Apr 11, 2012
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)
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Jun 25, 2012
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.
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Feb 1, 2011
So I have an asa 5505 running ipsec and anyconnect and it has been working great for months. I have not made any changes to the config, but suddenly all of my anyconnect traffic is being dropped. The vpn uses the same subnet as the LAN. I tried putting a rule in to allow all traffic from the LAN subnet on the outside interface. Now I just get the WEBVPN-SVC Action-Drop in packet tracer.
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Feb 4, 2013
Two 5505 ASA's for a customer main site and a local office. I have the tunnel up. But I'm unable to pass traffic across it.
Main Site:
ASA Version 7.2(4)
!
hostname Town
enable password iNbSyJZ1ffmb9kn1 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
[code]....
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May 26, 2012
I've configured an ASA5505 to be Lan to Lan VPN tunnel endpoint, peering with a linux box. The ASA is full licensed so that side isn't an issue.PROBLEM:When the tunnel is initialised from the linux box everything comes up okay except the ASA isn't encapsulation any packets. It is decrypted the packets received from the Linux box okay but no return traffic is being encrypted.When the tunnel is initialised from the ASA, nothing happens.After some troubleshooting I've found that the ACL defining interesting traffic nor the ACL defining NO_NAT aren't being hit at all.
ACL for NO_NAT:
access-list NO_NAT line 1 remark ACL USED TO DEFINE WHAT TRAFFIC NOT TO NAT OVER THE VPN
access-list NO_NAT line 2 extended permit ip host PAMS_SERVER object-group LINUX-BOXES 0xc736d5fb
access-list NO_NAT line 2 extended permit ip host PAMS_SERVER 10.11.228.0 255.255.255.0 (hitcnt=0)
[code]....
I've checked with the administrator of the linux box and the definition for interesting traffic is exactly the same (except in reverse as should be the case).The firewall is doing other things like NATs and such like too but those NATs have nothing to do with this VPN. The setup is a LAN to LAN connection with no natting in between.The main parts of the config are attached, i've deleted things that should have a bearing on this however if you think it necessary i can sanitise the config and re-post. I think it will be working fine as long as the traffic hits those ACLs, however they're not and I'm unsure why.At this time i'm not seeing anything at all when doing an debug cry ipsec or debug cry isa. The ACL's aren't being hit so i'm guessing it's not even trying to form the VPN as it can't see any traffic that constitutes being 'interesting'.
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Mar 19, 2011
I have a Site to Site IPSEC VPN Tunnel created with ASDM wizard.
Cisco ASA-5505
Peer A: x.x.x.x
Lan A: 192.168.0.0 255.255.255.0
Fortinet FortiGate-50b
Peer B: y.y.y.y
Lan B: 192.168.23.0 255.255.255.0
I start traffic from LAN B with a ping (or telnet it doesn't matter) that receive no reply but tunnel goes up fine.
"show isakmp sa" seems ok (says "State : MM_ACTIVE")
"show ipsec sa" seems ok but all #pkts are zero
try ftp, telnet from LAN B to LAN A systems but no one work. "show ipsec sa" all #pkts are zero As soon as I generate traffic from LAN A to LAN B these works (with tunnel already up) also traffic from LAN B to LAN A works.Obviously if I end VPN and start tunnel making traffic from LAN A all work fine bidirectionally, LAN A reach LAN B and LAN B reach LAN A.No msg logged in either two appliance.
Seems a very strange problem because seems not related to Phase1 or Phase2 already established.Traffic (routing ?) start works only after at least one packet goes from LAN A to LAN B.No msg logged in either two appliance.Problems begun in ASA version 8.0(4) ASDM version 6.1(3) and remain/continue after upgrade to ASA Version 8.4(1) ASDM version 6.4(1).
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Oct 27, 2011
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.
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Aug 15, 2011
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?
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May 24, 2011
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]
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Jun 13, 2012
I am fairly new to configuring ASA's. I have an ASA 5505 with one outside interface and three inside interfaces (inside1, inside2, and management). I need inside1 and inside2 to be able to talk to eachother but cannot work out how to make this happen. They are both configured to the same security level and the 'Enable traffic between interfaces with same security level' box is ticked. I have also tried adding appropriate NAT and Access rules. The packet tracer suggests the rules are correct for allowing traffic flow between interfaces but obviosly this may not be the case.
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Jun 4, 2013
We have 10MB dedicated Internet BW and want to run VC device and due to heavy traffic and BW high utilization at peak hours, VC performance is not sufficient. We would like to reserve 2MB for VC device. How much possible to fix up this configuration in ASA5505 version disk0:/asa724-k8.bin [URL]
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Jul 31, 2012
I have a Cisco 5505 with a 12Mbps feed. I want to reserve 2Mbps for RTP traffic. I followed the QoS guide here: url... The goal would be that any traffic destined for port 5000 through 5100 UDP or TCP from any IP to any IP on any interface.should always have 2Mbps available to it.
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Oct 19, 2011
Is there any difference with traffic shaping capability on the 5510 as opposed to the 5505? is there anything the 5510 can do that the 5505 cant? with regards to TShaping?
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Mar 17, 2011
We have a VPN setup and here's the configuration on the Cisco ASA 5505: [code] The problem is that i'm able to ping the otherside of the tunnel i.e. 192.168.23.14 from the dmz IP 172.16.1.2 but i'm unable to ping from the hosts behind the ASA.Also the other side is able to ping 172.16.1.2 IP but no IP's behind the ASA.
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Mar 15, 2012
I am trying to switch out a cisco pix 501 firewall with a cisco ASA 5505 firewall. I am not very familiar with all of the commands for the firewalls and have always relied on a standard command line script that I use when building a new one. Unfortunately, my script is not working with the 5505. What I am doing wrong with the following script? I've masked public IP info with xxx.xxx.xxx and I run it right after restoring the firewall to the factory defaults. I am able to get out to the internet if I browse directly from one of the servers, but cannot access a web page when trying to browse to it from an outside network. [code]
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Apr 25, 2011
I have setup an ASA 5505 w/ Security Plus with three subnets. The subnets are as follows:
VLANSubnetWAN 10.0.0.80/29LAN192.168.1.0/24DMZ172.30.200.0/24 ]
The ASA is the gateway router at .1 for the LAN and DMZ networks. On the WAN network, the ASA occupies .85 and uses .86 as it's gateway to the Internet. Clients on the LAN are able to access the Internet without any troubles. I have a static NAT setup to map the DMZ server's 172.30.200.81 address to 10.0.0.81. I also have a general NAT that should allow other servers on that network to access the internet, but no machine at all on that network can route outside of 172.30.200.0/24. I used the packet tracer and had it trace traffic coming from the DMZ network to the Internet, and it did not show me any conflicts with any of the access lists or anything else. However, no matter what I do, I cannot initiate traffic from the DMZ and have it go out to the Internet successfully.I attempted to follow the directions in the article PIX/ASA 7.x and above: Mail (SMTP) Server Access on the DMZ Configuration Example; but I have obviously missed something, done something wrong, or perhaps the example assumes something about my configuration that I have not done. See the attached config file that I have scrubbed. I have removed VPN configuration information and other unnecessary parts of the config file to make it easier to read. I have setup an ASA 5505 w/ Security Plus with three subnets. The subnets are as follows: VLANSubnetWAN 10.0.0.80/29LAN192.168.1.0/24DMZ172.30.200.0/24 ]
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Oct 23, 2011
I've setup my Cisco ASA 5505 in transparent mode. I have a Cisco 1841 connecting to the ISP (DHCP client) and F0/0 for inside. The 1841 is the DHCP server. I have my ASA 5505 behind the 1841 in transparent mode (Vlan 1 for Outside and Vlan 1 for inside). The router config is good as when you connect a computer straight to the inside interface I get DHCP and can go to internet, no problems what so ever. But When you're trying to go through ASA isn't not working. if I add a ip any any statement to the access list it will work but having an "ip any any" in a access list is like having no firewall at all.
ciscoasa(config)# sh run
: Saved
:
ASA Version 8.2(4)
!
firewall transparent
hostname ciscoasa
enable password zmQ6OnxvsOOEDNAy encrypted
[code]....
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Aug 20, 2012
I've got an ASA 5505 with the Security Plus license that I'm trying to configure.
So far I have setup NATing on two VLANs, one called 16jda (VLAN 16 - 10.16.2.0/24) and one called 16jdc (VLAN 11 - 10.105.11.0/24).
From each subnet I am able to connect to the internet, but I need these subnets to also be able to talk to each other.
I have each VLAN interface at security level 100 and enabled "same-security-traffic permit inter-interface", and I have setup static NAT mappings between the two subnets, but they still can't communicate.
When I try to ping there is no reply and the only log message is: 6 Aug 21 2012 09:00:54 302020 10.16.2.10 23336 10.105.11.6 0 Built inbound ICMP connection for faddr 10.16.2.10/23336 gaddr 10.105.11.6/0 laddr 10.105.11.6/0
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Sep 20, 2012
I have a site to site VPN setup between a 5510 and 5505. All traffic is sent ovet the VPN from the remote site to the home office. Everything is working fine but the remote site "www" traffic is not going to the Barracuda. ISP -> CISCO ASA -> Barracuda -> Internal Switch.The Barracuda is setup "inline" with the internal network.
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Nov 9, 2011
I trying to allow traffic between 2 inside interfaces with the same security level. VLAN1 and VLAN15. The are on different physical ports on the ASA. I tried to configure this through the GUI Web interface and checked ' enable traffic between two or more interfaces with the same security levels'. With this ASA version, I do not need NAT to allow this, correct?
ASA Version 8.2(1)
!
hostname ciscoasa
[Code].....
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Jul 18, 2011
I currently have two Cisco ASA 5505. They are at different physical sites (SITE A, SITE B) and are configured with a site-to-site VPN which is active and working.
I can communicate with the subnets on either site from the other and both are connected to the internet, however I need to ensure that all the traffic at my site B goes through this VPN to my site A.
I changed this access-list : access-list outside_2_cryptomap extended permit ip network_siteB network_siteA to access-list outside_2_cryptomap extended permit ip network_siteB any
But this does not work. If I do [URL], site B IP address is not same that site A.
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Feb 24, 2011
I am trying to set up a LAN-to-LAN VPN tunnel between two sites. One site has a 5505, and the other site has a 5510. It looks like the tunnel is being established fine (both ISAKMP and IPSEC SAs look OK), but traffic doesn't appear to be routing across the internet between the devices. [code]
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Aug 9, 2011
I have an application behind an ASA 5505 that needs to access a mysql database over the Internet. How do IO configure the ASA to allow this remote mysql connection?
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May 20, 2011
I have ASA 5505 with base license. I like to install proxy server in my network.I configured below commands to forward my traffic to proxy server from my ASA.
If there is any configuration that i need to configure.And if possible send me the configuration guide to setup SQUID server. ( Actually it was set up by the 3rd party vendor)
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Mar 14, 2012
I am currently troubleshooting a firewall policy on a ASA 5505. What command can enter in the CLI to enable live view of traffic been block and which traffic is been allow?In my experiences with other firewall vendors, other firewalls allow me to narrow down the source and destination, too. is there such thing on the ASA 5505?
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