Cisco Firewall :: ASA 5505 Transparent Firewall Configuration?

Sep 11, 2007

I want to configure an ASA 5505 in transparent mode (7.x). Somehow, I got it to work.. but i need some kind of step by step description. I just want to connect it with outside on a route .. inside in my LAN. Its working now with one ASA. But in the Web Interface the Interfaces inside and outside are down.. but its working.

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Cisco Firewall :: 5505 - Setting Transparent Firewall Ip Address?

Dec 22, 2011

Trying to set up a asa 5505 in transparent firewall mode. I cannot set the management ip address:
 
ciscoasa> enable
Password:
ciscoasa# config term

[Code].....

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Cisco Firewall :: ASA 5505 Transparent Firewall With Web Sense Integration

Apr 27, 2011

I'm integrating a Cisco ASA5505 with a Websense proxy. I have a configuration setup where we have four routers which are used for Internet access. There are two VLAN's - Guest and Private. What I would like to achieve is making the use of available bandwidth by load distribution via GLBP, and filtering users web traffic. Two routers will be used for a GLBP group in one VLAN, and the other two routers will be used for GLBP in another VLAN.The users are connected to a Cisco 2960 switch and are in their respective VLAN's. I'm planning a 802.1q trunk to a Cisco ASA from the 2960 switch, carrying both VLAN's.What I would like to know is if there is a CSC module (or similar) which has Websense installed on it, and if it is possible to setup the ASA5505 in transparent mode to filter the traffic in this way? Hopefully this would allow multiple users to take advantage of the additional bandwidth, and not be restricted by using a traditional proxy setup which where all web traffic would be originating from a single MAC address.

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Cisco Firewall :: Configuration Required For Transparent Firewall ASA 8.2?

Mar 31, 2013

I have one firewall need to be configured in transparent mode. I have inside and outside router. What is the configuration of transparent firewall ASA8.2. I didn't find the configuration on Cisco site.

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Cisco Firewall :: Transparent Firewall Configuration In PIX 515E

Nov 25, 2012

I am trying to set the PIX firewall to transparent mode.After I set it to transparent firewall, I allowed all icmp, tcp, udp traffics.Currently, any devices in the inside network can get the ip automatically from DHCP server in the outside network but cannot ping to any servers in the outside network either access the internet.Do I need additional confiration on the firewall?
 
Here's the configuration:
 
PIX Version 7.0(1)
firewall transparent
names
!
interface Ethernet0
[Code]....

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Cisco Firewall :: Is It Possible For 5505 ASA To Be In Transparent Mode

Feb 20, 2013

Is it possible for an 5505 ASA to be in transparent mode such as ethernet0/0 outside, ethernet 0/1 inside, and use ethernet 0/2 for syslog only on a seperate network other than the one that 0/0 and 0/1 is using.  The tranparent part being on a 192.168.168.X/24 and the syslog server being on say a 10.2.1.X/24 network?

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Cisco Firewall :: ASA 5505 - Transparent Mode

Sep 15, 2012

I just have 1 question. I am going to be getting U Verse installed at my house and have been having a hard time finding this in the documentation. The modem I am going to be getting is the 3800HGV-B. Over on the ATT forum users are stating that the modem needs every MAC of every potential IP. I thought about using it's DMZ Plus mode but I am getting a block of 8 IP's and it doesn't seem to play nice unless it see's 5 different MAC's. Right now I have my 5505 in routed mode so I don't believe it passes the MAC of the client's through. Will the ASA pass the MAC of the client's through to the modem with the appropriate ACL's applied?

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Cisco Firewall :: ASA 5505 Transparent Mode Setup?

Dec 5, 2011

i need to configure a ASA 5505 in transparent mode.learned from Internet, my configuration is :

int e0/0 --- vlan 1---->nameif outside
int e0/4 --- vlan 2------> nameif inside
gloable ip is 172.17.104.10 255.255.255.0
 http server enable
http 172.17.104.0 255.255.255.0 inside
 
when i connect the outside interface to one PC with ip addr 172.17.104.194 my PC connect to inside interface with ip 172.17.104.249 cannot ping each other even when i set rules as permit any any on both direction

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Cisco Firewall :: ASA 5505 In Transparent Mode Traffic?

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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Cisco Firewall :: 5585 Configuration BVI Transparent FW And VLAN

May 28, 2013

I have a problem whit the configuration of a Firewall ASA 5585 whit the BVI Interface and transparent Firewall, I have 2 VLAN that i want to interconnect.

The problem is whit the configuration of VLAN. The traffic does not cross the FW.

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Cisco Firewall :: ASA 5505 - Transparent Mode And Mac Address Table

Nov 28, 2011

I have an ASA 5505 in transparent mode. The device mac address table is always empty.

show mac-address-table and show mac-learn both come with empty response.

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Cisco Firewall :: ASA 5505 Transparent Mode And Management Access

Apr 26, 2012

I have a need to manage the 5505 outside of the 2 interfaces however I see it documented that Management access is only via the data path interface. This won't work for me because there will be NO management access on the data network being bridged through the firewall. Is there any option outside of going to routed mode or moving to the 5510?

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Cisco Firewall :: ASA 5550 Transparent Active / Standby Configuration

Dec 20, 2012

I am in the process of adding a new ASA 5550 as a standby box to an existing ASA 5550 running on transparent mode. Both are on version ASA 8.0(4) and ASDM 6.2(1). I have set the new ASA 5550 to transparent mode. The configurations are the following for the HA: [code]My questions are the following:

1. The management ip address is different than the ip used for the failover link. Since the firewalls are on transparent mode, does the failover ip needs to be the same as the management ip address?
 
2. Does any other additional config is needed for HA to work for basic active/stand-by failover?
 
3. Which is the best method to add the second box without disrupting the active box?

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Cisco Firewall :: 5505 Transparent Mode Doesn't Pass Traffic

Dec 4, 2012

  asa 5505 do not pass traffic as a patch cord, how to make it pass traffic? [code]

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Cisco Firewall :: ASA Firewall Positioning In Transparent Mode Between 6509 Core Switch And WLC

Apr 26, 2011

I do have the below setup,,
 
1. I have 6509 switch
 
2. I have 2 WLC configured in Active/Active mode connected in Trunk mode (L2 Port-Channel) connected with 6509 switch
 
3. On switch side i have configured the port as Trunk
 
4. L3 SVI for wireless users are created in 6509 switch (attached the diagram).
 
I would like to introduce a Cisco ASA 5520 firewall with AIp-SSM module so that all wirelees traffic can be inspected.
 
The issue is: Without changing any configuration in the network (switch & WLC) is it possible to introduce the firewall?

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Cisco Firewall :: ASA 5520 - Routed Management Interface On Transparent Firewall?

May 5, 2013

I have an asa 5520.  How would I configure my dedicated management interface to be able to route off subnet while the firewall is in transparent mode?

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Cisco Firewall :: ASA5512-X - ASDM In Firewall Transparent Mode

Dec 3, 2012

I would like to configure an ASA5512-X in firewall transparent mode, but I am having trouble getting ASDM to lauch when I do.
 
I have created a BVI interface with an IP address, and I hve enabled the mangement interface, but ASDM does not lauch when I enter the IP adress of the BVI I created.
 
Apprently you need to use the bridge-group command to assign an interfce to a bridge group. When I enter this command at the (config-if) prompt for Management 0/0, this command is not recognized.
 
What are the general steps for configuring the management interface to be able to launch ASDM in transparent mode?

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Cisco Firewall :: ASA5540 - EAL4 Transparent Firewall Config

Mar 14, 2011

I am configuring an ASA5540 firewall for a client, only difference to usual being that it is to run in Transparent mode. I have looked through for an EAL4 transparent firewall config guide but found nothing and therefore assumed that the usual one would be used.The clients security bod has now come back and insisted MAC filtering should be used but I can find no reference of this anywhere. Does MAC filtering is required to make a transparent box EAL4 compliant and if so where I can find documentation supporting this?

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Cisco Firewall :: 5510 - Transparent Firewall Installation Using ASA Version 8.4(3)9

May 14, 2012

I'm trying to install an ASA 5510 transparent firewall using ASA version 8.4(3)9 but I don't understand how traffic will ever pass through my firewall if both interfaces are on the same sub net(V lan) as the host and it's default gateway? The reason I'm doing this is were installing UAG (or Direct Access) and the UAG appliance need to have public IP's but still be behind a firewall (see attached diagram).
 
Looking at the documentation (which all seems to be for 5505's running 8.2) it almost seems like i need to have the transparent firewall 'in-line' to the ISP router?, but this router services another IP address range on another v lan for other (routed) firewalls (not shown on diagram) so putting it 'in-line' is not possible. Surely this can't be the case can it? If not how is it supposed to be cabled up and configured so packets go through the firewall?

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Cisco Firewall :: 6509 - Is It Better To Setup Firewall As Transparent Or Routed

May 9, 2011

I am familiar with the PIX and ASA's.  We have two Cisco 6509's with a FWSM installed in both.  Our network is shown in the diagram.  We use Blue Coat Packetshapers and Barracuda Proxy appliances.  I plan on setting up HSRP on both 6509's for traffic coming from our ISP Cisco 2811's as well as use HSRP for our DMZ and internal network.  I would like to setup the firewalls for statefull failover.  We will be using PAT for our internal users and one-to-one static NAT for our DMZ. 

Is it better to setup the firewall's as transparent or routed?
 
Since the firewall is built into the switch, how do I insert the Barracuda proxies?  I can configure them as transparent or routed proxies.

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Cisco Firewall :: ASA5510 Firewall Transparent Mode

Sep 10, 2012

i have a ASA5510 in the office, that already configured 3 context, namely, admin, user, server.in the server context, the last running config was not saved, and there was a power trip last friday night. 1 of the sub interface was affected, and i need to recreate that interface.I am getting the below error, it only allow me to do changes those pre-defined interface.how to I create extra sub interface?

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Cisco Firewall :: ASA 5510 Firewall Is In Transparent Mode

Apr 10, 2013

We've in our company a Cisco Asa 5510 v8.4(3), Asdm 6.4(7) and a SSM-CSC-10-K9. The firewall is in transparent mode. I get an exchange 2003 SP2 server behind. When users trying to send mailing lists with many recipients (above 300), the Exchange server didn't send these mails. I'm pretty sure that this problem come from the ASA Firewall, because when I plug my server directly on my Internet Connection, the mailing list is sent. I've search on the web, and disable "ESMTP Inspection", but it didn't work. [code]

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Cisco Firewall :: ASA1 / Transparent Firewall With BVI?

Dec 9, 2012

I have a question regarding transparent firewalls using BVIs.Based from the diagram above, ASA1 is in Transparent mode.Port Gi0 is assigned BVI-1 and port Gi1 is assigned BVI-2. Is it possible for network 1 to communicate with network 2 ?The traffic will be passing through Firewall towards the router, The router will do the routing and then forward it back to the firewall then towards network 2?I am thinking of making port Gi2 of the firewall a trunk and use subinterfaces in order to forward BVI headers to the router.

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Cisco Firewall :: ASA 5505 - SIP Configuration Without NAT

Oct 15, 2012

I am new to using the ASA 5505 appliance.  I have successfully configured it so far, but the one piece that eludes me and I can't find an example of configuring SIP with internal (DMZ security level 50)) VoIP phones to an external call manager (external, security level 0) without using NAT.  I have an internal V LAN to an internal B2 router (and management) on eth0/7, an external V LAN (/30 to an external B1 border router) and five different DMZ V LAN on ports eth0/1-eth0/5.
 
On the external router, the internal interface going to ASA5505 are separate sub-interfaces for each V LAN in the DMZ and one /30 V LAN to connect between the router and ASA.  I am using vrf forwarding on the DMZ sub interfaces with IPSEC/GRE tunnels to keep the routing tables separate.  I cannot have the different DMZ V LAN's communicate with each other (that's why I am using vrf).
 
Everything works, all my tunnels are up, I  can ping to the external sites from the DMZ V LAN's and pass data, but I am stymied by setting up VoIP.  When I used the wizard (big mistake) it setup up all sorts of certificates and NAT (since I really didn't know what I was doing at this point).
 
Any hints on configuring VoIP from phones in the DMZ V LAN's to an external call manager?
 
I would include the current config, but I have to hand transcribe it since we don't allow usb connectivity.  I might be able to provide it a little later.  i am using ASDM 6.4 and ASA IOS 8..4

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Cisco Firewall :: ASA 5505 - Set Up DSL Configuration?

Nov 11, 2012

I am setting up an ASA 5505 for a customer. I am not sure how to config the firewall when it is connected to a dsl modem. I tried to do a ordinary config just like the ones thats connected to a ordinary router.
 
The topology is:

[code]...

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Cisco Firewall :: ASA 5505 DMZ Configuration

Jan 9, 2012

I am attempting to configure an ASA 5505 which is connected to 3 networks for access to an inside email server.  Don't pay attention to the names on this config as they are not intuitive.
 
The 3 vlans are:
vlan 1 which has an IP of 192.168.x.1 - Connected to inside (which is really the dmz)
nameif inside
e0/1 is assigned to this

[Code].....

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Cisco Firewall :: ASA 5505 Backup ISP Configuration

Jun 13, 2011

I'm having problems configuring an asa 8.2(1) with a backup isp.  I followed the asdm instructions in this document: [URL]
 
I have my backup interface configured as DHCP and the static routes set. Pinging the gateway and other external IP address from the backup interfaces works normally. I have also tried configuring the backup interface as a static address but got the same results.
 
When removing the primary wan link, all traffic stops. When I ping a external DNS, I get these errors in the log: portmap translation creation failed for udp src inside: 192.168.13.23 dst backup:208.67.222.222_type 8, code0)
 
I though this type of error is related to a NAT problem, not sure where to look though.

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Cisco Firewall :: QoS Policing Configuration On An ASA 5505?

Jun 10, 2013

I'm working on QoS policing configuration on an ASA 5505.The ASA is situated behind a cable modem which provides an SLA of 3.2Mbps out.I've configured a QOS policy to place VoIP and other essential traffic (RDP/Citrix/PCoIP) into a priority queue, whilst policing default class to 3.2Mbps to police out to the cable modem.I can see on the outside interface graphs that this is rating the output traffic down to 3.2Mbps as expected, but noticing at certain points of high output traffic drops down to 1.6Mbps.  I can't see anything obvious in syslog or any other areas to look, so looking for any pointers as to why the speed is suddenly dropping down.  Likewise if I rate the output to 2Mbps, it will suddenly drop down to 1Mbps at high output rates.the ASA is running on 8.0(5) and I enclose a copy of the sample QoS config below and attached a sanitized run config, as well as screenshot taken of the outside interface Bit Rates plus service-policy.
 
access-list VoIP-Traffic-OUT extended permit tcp 172.16.6.0 255.255.255.0 host 68.98.217.252 eq h323
access-list VoIP-Traffic-OUT extended permit udp 172.16.6.0 255.255.255.0 host 68.98.217.252 object-group rtp
access-list VoIP-Traffic-OUT extended permit tcp 172.16.6.0 255.255.255.0 host 68.98.217.252 eq 2000  
access-list VMs-Traffic-Out extended permit tcp 172.16.6.0 255.255.255.0 192.168.168.0 255.255.255.0 eq 3389
access-list VMs-Traffic-Out extended permit tcp 172.16.6.0 255.255.255.0 192.168.168.0 255.255.255.0 eq citrix-ica
access-list VMs-Traffic-Out extended permit tcp 172.16.6.0 255.255.255.0 192.168.168.0 255.255.255.0 eq 4172

[code]....

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Cisco Firewall :: 5505 - Restore Configuration From Other ASA

Sep 26, 2012

I have the configuration file of the ASA  5505 I have another exactly model that asa is new but  this my first time working with an ASA.
 
I going to configure it an  ip address  in the  0/0 interface and then use TFTP to upload the config to the   start-up config and the save it and reload the ASA.

is that enough? or the ASA has  extra steps??

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Cisco Firewall :: 1-1 NAT And PPTP Configuration - ASA 5505?

Mar 22, 2011

I need add following to our firewall configuration ( we are changing watchguard firewall to cisco and it was necessary to be configured this way )
 
1) I need to create 1-1 NAT for our voip system and video conferencing unit and to do it as bellow

VOIP-SIP : from 85.90.225.100 to 217.207.96.121 on port tcp/udp 5060
VC-SIP : from any_external to 217.207.96.120 on port tcp/udp 5060
VC-Video : from any_external to 217.207.96.120 on port tcp/udp 60000 to 64999
VOIP-RTP :  from 85.90.225.100 to 217.207.96.121 on port tcp/udp 10000 - 20000
 
2) I need to eneble to pass PPTP traffic from outside to inside and vice versa
 
current config:
Result of the command: "show running-config"
: Saved:ASA Version 8.2(2) !hostname ciscoasa
 
namesname 10.10.1.19 barracudaname 192.168.1.2 ctxdmzname 10.10.1.39 ftp1name 10.10.1.38 ftp2name 10.10.1.37 ftp3name 10.10.1.192 mailsvrname 217.207.96.114 outside_114name 217.207.96.115 outside_115name 217.207.96.116 outside_116name 217.207.96.117 outside_117name 217.207.96.118 outside_118name 217.207.96.119 outside_119name 217.207.96.120 outside_120name 10.10.1.8 transfer_servername 10.10.1.10 backupsvrname 10.10.1.4 citrixsvr1name 85.90.225.100 voip_sipname 10.10.1.9 minimac1name 82.111.186.146 sdt_rdpname 217.207.96.121 outside_121!interface Vlan1 nameif inside security-level 100 ip address 10.10.1.1 255.255.255.0 !interface Vlan3 nameif dmz security-level 50 ip address 192.168.1.1

[code]....

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Cisco Firewall :: PPoe Configuration In ASA 5505?

Mar 19, 2012

I want to know the ppoe configuration in asa5505 firewall. IN my office i have a asa5505 and i get conncetion from local isp which is nothing but ppoe connection so how to do this.

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Cisco Firewall :: ASA 5505 Configuration For AT&T Microcell

Mar 2, 2011

We got an AT&T Microcell a couple of weeks ago, hooked it up to our CISCO PIX 506 firewall and it worked "out of the box". We then upgraded to a CISCO ASA 5505 when the Pix died last week. Got the ASA 5505 up and running pretty much "out of the box", only having to setup our IP addresses (inside & outside). The 5505 is NOT configured as DHCP since I have an existing server in house that assigns IP addresses and I don't want to mess around with changing everything. However the Microcell wasn't working on the new 5505. Found in the Microcell manual that the following had to be "open":

123/UDP (NTP)
443/TCP (HTTPS)
4500/UDP (IPSec NAT Traversal)
500/UDP (IPSec phase 1 prior to NAT detection)
 
From the 5505 Config Guide, I found that I needed to ENABLE NAT-T, so I did this with the following commands:
crypto isakmp enable outside
crypto isakmp nat-traversal 3600
 
Using the "Packet Tracer" in ASDM, I found that ALL 4 types of packets were allowed going from the ATT Microcell (192.168.10.52 on my INSIDE network) to the OUTSIDE interface (66.xxx.xx.xx). However, all 4 types of packets FAILED when the Packet Trace was reversed (Source = 66.xxx.xx.xx, Destination 192.168.10.52).
 
The Packet Trace pointed to the "implicit rule" to DENY IP traffic. So, using the ASDM, I setup Access Lists for the above 4 ports/protocols, both on the INSIDE & OUTSIDE interface, both INCOMING & OUTGOING. Still, no success and the Packet Trace in ASDM still pointed to the IMPLICIT DENY rule on either the INSIDE or OUTSIDE interface, depending on which Interface I was initiating the Packet Trace. I tried setting the Access Rules for "Any" IP Address (not just the public IP or the Microcell IP) on both the Source/Destination for all 4 ports. What is even more confounding is that when setting up these access lists to PERMIT traffic, my internal network  Internet traffic stopped for ALL workstations on my network. Phone started ringing no more than a minute after I applied any PERMIT rule. By deleting the rule just installed, traffic started flowing again.
 
My number one questin is why don't the access lists work and why does settin up a "permit rule" kill my internet traffic?
 
I'm not a network expert and sprinkle holy water on our network every morning. I cringe when I have to make changes (like putting in a new firewall) because I don't know all the inner workings, parameters and setups done over the years by predecessors. I need to get the ATT Microcell up and running and figure the experience will be beneficial as our next step is to setup a VPN.

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Cisco Firewall :: ASA 5505 Configuration Required

Apr 29, 2013

I have a problem with the configuration of the ACL of my ASA 5505 router.However, the syntax seems okay,access-list 121 extended deny icmp 192.168.0.0 255.255.255.0 .

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