Cisco Security :: ASA 5510 / Routing Http Flow On Two Different Interfaces?
Jun 21, 2012
I use 3 interfaces on an ASA 5510. First interface is Lan, Second interface is Outside, Third interface is ADSL The Outside interface is used for VPN L2L and smtp traffic. (Leased line on router managed by ISP)The Adsl interface is used for Http traffic. (Adsl Cisco router) I use this configuration found on another forum subjet for routing.route outside 0.0.0.0 0.0.0.0 x.x.x.x 1route adsl 0.0.0.0 0.0.0.0 y.y.y.y 2 nat (inside) 1 0 0global (outside) 1 interfaceglobal (Adsl) 1 interface static (Adsl,inside) tcp 0.0.0.0 www 0.0.0.0 www netmask 0.0.0.0 The problem is now I have an www intranet server on the VPN remote site. How i can exempt the http traffic to the intranet server routed through Adsl interface?
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May 4, 2011
I am using ASA 5510 and I have a specific problem with Http Connection to receive a video Flow ( RSTP protocol ) in the LAN. Some Pc users (192.168.1.133,in the log) with ASA Lan Interface as gateway can ping the Camera but don't receveive the video flow.Some Pc users (192.168.1.116,in the log) using another gateway can ping and receive the video flow. I used Whireshark to capture traffic between camera and Pc using the 2 gateway. I joined Logs with this message.It seems to be a problem of TCP segments on the ASA, I try to changed some TCP options but it's still the same:- Disable Force Maximum Segment Size- Enable Force TCP Connection to Linger in TIME_WAIT State for at Least 15 Second.
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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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Aug 17, 2011
Cisco 2951 w/ HWIC-4ESW
IOS 15.0(1)M5
#sh ip flow int
Vlan533
ip flow ingress
ip flow egress
#
The SVI sends the flow data just fine, however I also continue to receive flow data from most other interfaces.
I have attached a screenshot of one of our netflow collectors indicating that many of the interfaces are sending flow data even though not configured to do so. We have two different netflow collectors, from different vendors and both confirm the same interfaces sending flow data.
Normally I wouldn't care and ignore it, however one of them uses a license limit by interface and is a bit problematic.
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Apr 8, 2013
I am trying to setup intervlan routing with a Cisco ASA 5510 and two 2960-S switches. The 5510 currently is using ASA Version 7.0(2) and has a base license. I tried to create a sub interface today based on some info I found regarding the routing piece and it didn't recognize the command. I'm thinking I may need to update the IOS code or the license on the firewall. I know the syntax was correct because I looked it up and found it in a Cisco document.
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Jan 18, 2012
I am trying to pass Traffic thru the IPSEC tunnel but it does not work ([Cisco Router 892] <---> [Cisco ASA 5510] <---> [Cisco Router 892]) The Cisco ASA 5510 doesn't pass traffic UDP=500 & UDP=4500 ports...
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Oct 2, 2012
Is there a way to set up a new admin user on ACS 5.2 appliance through logging into the device via SSH?
We lost our password for https access but can get in via ssh. I want to set up another user with https access from the SSH interface.
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Apr 17, 2011
when I connect to VPN with ASA 5510, can not connect to web applications in HTTP instead https in other applications are working properly. how can I fix this?
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Dec 9, 2010
I was unable to access my ASA 5520 using HTTP/HTTPS even on the management interface. I had upgrade the ASA IOS to asa832-k8.bin and ASDM to asdm-634-53.bin. But, the issue still the same.
My browser show the error message as attach image.
PGA-Firewall-02# sh run: Saved:ASA Version 8.3(2)!hostname PGA-Firewall-02enable password 8Ry2YjIyt7RRXU24 encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface GigabitEthernet0/0 nameif public security-level 0 ip
[Code]....
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Apr 25, 2011
i have the following scenario :
ISP1-------ASA 5510----------ISP2
|
|
|
LAN
i would like to use ISP2 for all http/https/ftp traffic.how could I force my ASA to set a different gateway for http/https/ftp traffic ?i have tried several solutions such as nat/pat rules, nothing seems to work.
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May 26, 2011
I am replacing an old Fw with a New ASA 5510 and I have a problem with a TCP Connection on My LAN InterfaceI joined a picture of what I want to do. [code] From the PC,I can Ping the Video Camera But I can't connect to it with HTTP.I don't understand, Packet Tracert allow the Http packet too. [code]
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Feb 15, 2012
how to enable inspect http on ASA 5510, so that URL information populate in the syslogs?
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Jun 8, 2011
I am configuring a new ASA 5510 to replace a SonicWall and I have a problem with an HTTP Connection inside my LAN.PC from the LAN ( using ASA LAN interface as gateway) can't Connect to a Camera video Web Server (192.168.4.20) on Port 80 whereas I can Ping it.
ADSM logs show :
106015# Deny TCP (no connection) from ip1 to ip2 Flags RST on Interface LAN.The adaptive security appliance discarded a TCP Packet that has no Associated connection in the adaptive security appliance Connection table.
- I Enabled command "same-security-traffic permit intra-interface"
- HTTP inspection is disabled.
I used Capture feature on the Ingress Interface, I joined the Logs and a part of my ASA Running Config.
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May 13, 2013
I have a strange problem in my ASA 5510 firewall. I turned on HTTP inspect policy to block certain URLs, but that destroyed svn communication. Interestingly, if I use simple web-browser to access svn server - it works, but any svn-client requests fail with an error "Could not read status line: An existing connection was forcibly closed by the remote host". I did some packet sniffing, and discovered that with HTTP inspect off the Webbed request is answered, but with HTTP inspect on it is rejected with an error unauthorized. Here are examples of success and failed conversation packets:
Success:
1. <Client-IP> <Server-IP> WEBDAV WEBDAV:Request, PROPFIND /svn/repos/myrepo/trunk {HTTP:3, TCP:2, IPv4:1}
2. <Client-IP> <Server-IP> WEBDAV WEBDAV:HTTP Payload, URL: /svn/repos/myrepo/trunk {HTTP:3, TCP:2, IPv4:1}
3. <Server-IP> <Client-IP> TCP TCP:Flags=...A...., SrcPort=HTTP(80), DstPort=58882, PayloadLen=0, Seq=4139355337, Ack=3464798063, Win=258 (scale factor 0x8) = 66048 {TCP:2, IPv4:1}
4. <Server-IP> <Client-IP> WEBDAV WEBDAV:Response, HTTP/1.1, Status: UNHANDLED HTTP Status Code, URL: /svn/repos/myrepo/trunk {HTTP:3, TCP:2, IPv4:1}
Failure:
1. <Client-IP> <Server-IP> WEBDAV WEBDAV:Request, PROPFIND /svn/repos/myrepo/trunk {HTTP:3, TCP:2, IPv4:1}
2. <Client-IP> <Server-IP> WEBDAV WEBDAV:HTTP Payload, URL: /svn/repos/myrepo/trunk {HTTP:3, TCP:2, IPv4:1}
3. <Server-IP> <Client-IP> TCP TCP:Flags=...A.R.., SrcPort=HTTP(80), DstPort=1137, PayloadLen=0, Seq=1075661931, Ack=4049054406, Win=64240 (scale factor 0x0) = 64240 {TCP:2, IPv4:1}
4. <Client-IP> <Server-IP> TCP TCP:Flags=......S., SrcPort=1138, DstPort=HTTP(80), PayloadLen=0, Seq=1032908784, Ack=0, Win=64240 ( ) = 64240 {TCP:4, IPv4:1}
5. <Server-IP> <Client-IP> TCP TCP:Flags=...A..S., SrcPort=HTTP(80), DstPort=1138, PayloadLen=0, Seq=4184445498, Ack=1032908785, Win=8192 ( Scale factor not supported ) = 8192 {TCP:4, IPv4:1}
6. <Client-IP> <Server-IP> TCP TCP:Flags=...A...., SrcPort=1138, DstPort=HTTP(80), PayloadLen=0, Seq=1032908785, Ack=4184445499, Win=64240 (scale factor 0x0) = 64240 {TCP:4, IPv4:1}
Packet # 4 is an actual differentiators.
I found one mentioning of that error with that assessment: "Older firewall/proxies do not understand the Webbed related HTTP requests for accessing Subversion using HTTP{ URL} in that post But not any useful tips.
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Jun 20, 2012
Can ASA sub-interfaces run separate IP Sec VPN tunnels eg
There are 02 sub-interfaces of 01 physical interface of Cisco ASA5510 [ASA Version 8.2(5)] and I need to run 01 IP Sec VPN tunnel on each of these
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Sep 21, 2012
I have 2 dmz interfaces(dmz1 and dmz2) with security level 50. I am able to ping the hosts on dmz2 from dmz1. I am running a service on a dmz2 host on port 82 but i am not able to access that service from dmz1. Also, i have an inside interface at security lever 99 which is able to access that service.
Also, i have defined the following command to allow same security level communication.
same-security-traffic permit inter-interface
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Mar 27, 2013
I have issue with traffic passing between same security level interfaces. I want to control traffic between same security level interfaces with ACL. Even no restriction, traffic does not go through. [code]
I tried to access server from THREE network to web server at FOUR network I have no response. In sh xlate output it shows "PAT Global 10.124.104.254 (28889) Local 10.124.103.1(2922) " I am not sure what else should I do. I add both same-security-level commands and it is the same.
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Apr 17, 2011
We have two multilayer switches and only one ASA 5520. I'd like to connect ASA in the way described on the picture: each redundant interface includes two physical ones, which are connected to different switches
My question is what kind of link it is necessary to have between switches to make this idea work? I'd have subinterfaces like Re1.100, Re2.200 and so on for my traffic.
I understand that correct design approach is to have two redundant firewalls with failover but we cannot purchase the second one yet.
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May 4, 2012
I have two inside interfaces (both security level 100) inside and inside110. Inside is 192.168.105.3/24 and inside110 is 192.168.110.3/24. I have a PC on the 192.168.105.0/24 network. I cannot ping the 192.168.110.3 IP of interface inside110.
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Aug 20, 2012
I am trying to enable a second WAN interface on our ASA.the end goal is to move all internet traffic to the new connection, but first i want to test it working.I have setup my computer as an object in the ASDM and the interface is configured correctly (same settings on a different router and that was working)I setup a route with a lower metric ( 1 lower than the default route which routes everything through current main internet interface) to route traffic from my computer out through the new interface but i am still connected on the old interface.I duplicated some of th NAT rules (but i would have thought if these werent working then i would have no internet connection anyway)
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Mar 12, 2011
I configured ASA 5510 ...
Totally it had 5 ports..
How to provide communication between two different interfaces which had configured as same security level?
How many trunks will support ASA 5510 with base-license?
How to configure trunk to an interface with different VLNs( Router on a stick).
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May 5, 2013
I have a client that wants to segment their wireless network behind their ASA. We currently have a normal setup, 5510, 2 interfaces, outside, inside. On the inside network there are Cisco Wireless APs that allow for internal access to the network. We want to move the APs to a new interface on the ASA and only allow traffic bettwen this new "Wireless" network and the internal network by using remote user VPN. So my question is, can you use remote user VPN from the new Wireless network to the inside network??
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Aug 8, 2006
ASA 5510 security plus edition will it support active/active failover. and does it support context with securiyt plsu edition. and how many default context do we get with asa 5510 security plus edition.
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Jul 19, 2010
We'll be implementing Cisco NAC guest server for Guest Wireless users, ( Model #3310), the question is do we need to configure separate physical interface for User authentication requests( from Wireless ) and a separate Interface for Guest server to talk to AD for SSO?
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Jan 14, 2012
I am having big problems trying to get what should be a rather simple configuration to work.I have a Cisco 2901 Router and have setup Zone Based Firewall on this.Traffic from the 192.168.223.x network does not pass through to the 192.168.1.x network.my traffic appears to disappear down the big bucket...Interesting I can ping machine on 192.168.223.0/24 network from the 192.168.1.0/24,So the static routes setup on the router on the 192.168.1.0/24 appear to be routing ok.
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Jan 5, 2013
I have ASA5510 with PLUSE License.I have 2 Inside interfaces as STAFF and MAIL and two Outside interface OUT_STAFF and OUT_MAIL which is in separate ISP's.now i want to nat STAFF to OUT_STAFF and MAIL to OUT_MAILbecause I'm having two default routes it gets impossible to do.
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Jun 11, 2013
I've been following most of the comments in regarding how to allow communication between two internal networks on a ASA5510 8.2.5 But I am still a little confused about to how to set my firewall. I made chages to it and still do not have the desired results.
I need to allow comunication between Interface 0/1 and Interface 0/2. See configuration file with fake or dummy ip address below.
ASA Version 8.2(5)
!
hostname ciscoasa
domain-name lxx.com
[Code].....
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Feb 13, 2012
I have a question regarding firewall configurations. Is it possible to have two interfaces ( for two internet service providers) one for voice and one for data. Can I have two Outside Interfaces that one will apply to a pppoe client group and the other will apply to a static IP? Is this possible and if so What would be the steps on applying this connection? Also to note I have a point to point connection already established for the pppoe. I also have another point to point connection for data, but however I do not know how to apply this to the firewall.
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Mar 12, 2011
Is it possible to provide communication between two different interfaces which had configured as different security level in ASA 5510?
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Oct 23, 2011
I have a Cisco ASA 5510 configured to access the internet, with an:
inside interface (ethernet 0/1) 130.130.0.254 and outside interface (ethernet 0/0) x.x.x.x
I have now configured another inside interface (ethernet0/2) on ASA with the IP 172.16.0.254 and I have connected it directly to another switch with a management IP 172.16.0.5.
The problem is that the two inside interfaces (130.130.0.254 &172.16.0.254) cannot communicate with each other thus the e0/2 172.16.0.254 interface cannot access the internet.
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Mar 6, 2012
How to force traffic back out the same interface from whence it entered. Review the following topology.
Internet ---> ASA 5510 ---> Static IP1 ---> F3.1 ---> 1811 F0
|-------> Static IP2 ---> F3.2 ---> 1811 F5 ---> VLAN Int
ASA F3.1 10.1.254.9/30
ASA F3.2 10.1.254.13/30
1811 F0 10.1.254.10/30
1811 F5 10.254.1.14/30
When pinging the public IP of ASA F3.2 from the internet a reply is never received because the default route on the 1811 points to ASA F3.1.
How do I get the replies from the 1811 to go back out the same interface from whence it entered ? I am sure the answer is policy-based routing, but not sure how to write the config.
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Jan 15, 2013
I need to route to sub nets form 2 different ASA interfaces. The ASA also has an outside interface works like gateway for internet access. Here is my configuration:
ASA Version 8.2(1)
host name ICE3
names
interface Ethernet0/0
name if outside
security-level 0
ip address 201.199.xxx.xx 255.255.255.248
[Code]....
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Sep 4, 2012
I am working on a task of redirecting any unmatched http traffic to Symantec public transparent proxy through Cisco ASA. For the definition of uncatched http traffic, we have inbound squid servers for deploying IE proxy pac and redirect the http traffic to Symantec public transpraent proxy, however we can't deploy IE proxy pac to mobile device and non-support web browers.Since we have some application using IE proxy setting for direct http communication with external domains, the current symantec policy addes those domains in the exception list so that they are not redirect to Symantec public transparent proxy server.
-For the platform - Cisco ASA 5510 ASA 8.4(4)1
-For the solution, I have the following two nat rules
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