fixup esmtp FWSM

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• FWSM firewall context Access-List entry Limitation

  We have recently experienced an error on one of the firewall settings that it has reached the maximum access list entry. Anyone know what is the limit of the ACL entry by context or where can I find the documentaton for her. No work around to this issue? Thanks in advance.

  Hello

  This value changes depending on which version of the FWSM code you run - and Cisco gets not specific on how the FWSM calculates entered ACE to determine the number of entries you have on your own.

  If you run the command (syntax may be different in 3.x code):

  See the np 3 acl County property

  You get a result that looks like this:

  -CLS rule current account-

  CLS filter rule Count: 0

  CLS rule Fixup count: 11

  CLS is Ctl rule Count: 0

  CLS AAA rule count: 2187

  CLS is given rule Count: 0

  CLS Console rule count: 7

  Political CLS NAT rule Count: 0

  County of CLS ACL rule: 3491

  Add CLS uncommitted ACL: 0

  CLS ACL Del uncommitted: 0

  -CLS rule MAX - account

  CLS filter MAX: 3584

  CLS Fixup MAX: 32

  CLS is Ctl rule MAX: 716

  CLS is given rule MAX: 716

  AAA CLS MAX rule: 5017

  CLS Console rule MAX: 2150

  Political CLS NAT rule MAX: 3584

  CLS ACL rule MAX: 56627

  The counts are your real numbers, MAX is the maximum you can have. AAA rules are numbered for how As you can have applied altogether with your orders of "aaa game. For your question, it seems that you should check your 'CLS ACL rule Count' and 'CLS ACL rule MAX' and make sure you get not close to that number. If you are - try to limit the number of host entries (use the networks) where possible and try to use ranges of ports instead of individual ports in your access list statements.

  I'll try to find the syntax 7.x and post here later.

  -Jason

  Rate if this can help.

• Why not "browser.fixup.alternate.suffix" of work, I find myself in Google search instead?

  I entered ".se" as a suffix and activated fixup.alternate. But if "volvo" enter the address of the browser go to www.volvo.se, instead I find myself in www.google.se. Why, what's the problem? / Tomas

  Myself, I found the answer to this problem on other issues with the same problem.

  I had to put 'keyword.enabled' to 'false' in order to get the "browser.fixup.alternate" function works!

  There is a good description of this feature in common questions under "rental search bar.

• IDSM2 with FWSM with contexts

  Hiya,

  I'm not a security guy so keep things simple!

  If the deployment of a FWSM with multiple contexts, and you have installed a JOINT-2:

  The JOINT split into contexts to match the FWSM contexts

  If this isn't the case, it monitors the background traffic of basket and not matter or don't care about multiple contexts.

  Hello.. looking at your chart... I suggest to try and place the JOINT-2 while traffic is inspected after that firewall policy has been verified otherwise you might end up inspection of the traffic that will be blocked by the firewall in any way. You also need to create what is called limit VLAN so that your JOINT bridge traffic between the VLANS inline... Confused... ?

  It gets a little "blue" when you try to inspect inline on a module. For example let's say you have Contexte1 with Interfaces (outside) VLAN10 VLAN20 (inside). You must create an another VLAN30 (limit VLAN). You must then assign the devices ONLY (not the interface of the ASA) of VLAN20 VLAN30 to (only change the membership to a VLAN and not the regime of intellectual property). Then on one of the JOINT-2 detection of ports, you must create a pair of inline VLAN (he uses subinterfaces) what <->VLAN20 VLAN30 bridges. In this traffic to/from your interior devices way will be through the JOINT-2 before reaching its destination

  I suggest you create a test context, allocate 2 VLANS, create the pair of inline VLAN on JOINT-2 and test... Once you are happy, you can reproduce the same configuration for the contexts of production.

  Below a brief example what you need to do for each context

  probe # configure terminal

  Sensor (config) # interface service

  Sensor(config-int) # Physics - interface GigabitEthernet0/2

  Sensor(config-int-PHY) # admin - active state

  Sensor(config-int-PHY) # INT1 description

  Sensor(config-int-PHY) # subinterface of type inline-vlan-pair

  sous-interface Sensor(config-int-PHY-INL) # 1

  vlan1 Sensor(config-int-PHY-INL-Sub) # 52

  vlan2 Sensor(config-int-PHY-INL-Sub) # 53

  Sensor(config-int-PHY-INL-Sub) # description pairs VLAN 52 and 53

  view the settings of Sensor(config-int-PHY-INL-Sub) #.

  subinterface-number: 1

  -----------------------------------------------

  Description: Default VLANpair1:

  VLAN1: 52

  VLAN2: 53

  -----------------------------------------------

  output Sensor(config-int-PHY-INL-Sub) #.

  output Sensor(config-int-PHY-INL) #.

  output Sensor(config-int-PHY) #.

  output Sensor(config-int) #.

  Apply changes:? [Yes]:

  I hope that helps... Rate if he does!

• VPN IPSec using possible FWSM?

  Hello

  Is it possible to configure a module 6500 FWSM to allow a windows-based IPSEC VPN to put end to this and to allow access to the network protected inside.

  Documentation for the FWSM talks about the configuration of the FWSM for remote access and management using a VPN. but it does not mention anything to have the vpn in the protected network.

  Please tell me all the links on CCO.

  Thank you

  Verhasselt

  Well, it's really simple...

  Add the devices you have to complete the IPSec VPN. You're right, none of the components that you will allow you to IPSec VPN (at least not without assistance to complete a debit)...

  Add a VPNSM (or the more fancy SPA-IPSEC solutions..) in each 6500 or put a VPN device size on each side...

  Did she help?

• Location of image/asdm FWSM

  Hello

  Can someone please advise how we can see the image copied/AMPS on FWSM... ?. as per the below document we copied the software application (image or asdm) to current partiton with the command

  copy tftp://server[/path]/filename flash:

  http://www.Cisco.com/en/us/docs/security/FWSM/fwsm31/configuration/guide/swcnfg_f.html#wp1047472

  I just want to know where this current partition, is this what partition out of six on the flash (cf:x.?), when we give the command to see the current boot partition, we cannot see any number of partition here.

  wr01-cc4 #show boot device Module 9

  [mod:9]:

  but below document which clearly shows the number of partition as cf:4

  http://www.Cisco.com/en/us/docs/security/FWSM/fwsm31/configuration/guide/switch_f.html#wpxref43058

  has my copy (image/asdm) went somewhere else, which is the recommended method to copy into the correct partition. ?

  Thanks in advance.

  Hello

  Yes, that means that the FWSM will start automatically to cf:4 since nothing is specified. If you want to cf:4 appears in this output, you can run the command "boot device module 9 cf:4" and it will set it for you.

  The FWSM, you can ' dir flash: "to see the FWSM and ASDM images in flash, but keep in mind that there is no file name or version information here. This is because the FWSM can only contain one of each image at a time. Instead, you simply tick 'Show version' to see the FWSM and ASDM versions.

  -Mike

• CSM 3.3.0, FWSM 4.0 (6), HTTP Inspection

  Hello

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  I have a firewall module (FWSM), (version 4.0 (6)) which is managed with the CSM (3.3.0). There is a problem with the configuration of the regular expression with the CSM. HTTP inspection with the regular expression is configured with ASDM successfully, but this configuration is not deployed with the CSM on the FWSM. It seems that MSC does not support regular expressions for FWSM. The following diagram shows this configuration CSM support HTTP inspection advanced only for ASA7 and 2 PIX7.2. I need to know is CSM 4.0 has this limitation or is there a solution for this WSC version?

  

  You're right, please open a TAC case because we work with development to have this fixed at the WSC.

  Your alternative would be to use FlexConfig CSM for the regular expression.

  I hope it helps.

  PK

• Failover FWSM Interchassis

  Is it mandatory to have a dedicated link (trunk) as link state/failover failover between the two switches for FWSM Interchassis failover?

  Hello

  It is not mandatory to have a "dedicated link" to a failover not but it is a recommended practice. You can use existing binding of the trunk that carries other traffic vlan.

  The suggestion to use a dedicated link is to ensure that the link does not get flooded by normal data traffic that could lead to problems with failover.

  It depends on how busy your existing trunk layer2 links are.

  HTH

  Jon

• FWSM syslogs are not displayed in the event 4.1 CSM Viewer

  I have MSC 4.1 the observer of events and it should now support FWSM syslogs. The FWSM context now appears as device monitored the event viewer and I can see that the system receives the syslogs (the capture of packets on the server).

  But they are not displayed? Why?

  Rgds.

  Which version is the FWSM performer?

  You can use the event viewer with FWSM running software versions 3.1.17+, 3.2.17+, 4.0.10 + and + 4.1.1 only.

  P.S.: Please mark this thread as answered if you feel that your query is resolved. Note the useful messages.

• CSM: Peripheral FWSM responsible and multiple contexts, how?

  We have several contexts on FWSM and from time to time, I would first form ASDM (Device Manager) CSM, but I can't. It says lack of credentials.

  We managed the FWSM only in the context of the admin, either we let CSM discover the FWSM.

  Usually when you start ASDM Conect to the context of the admin, you can then move on to different contexts, but not of CSM and I can't open the ASDM for the context because of the missing of credentials.

  But I don't think it's credentials, since we have not all settings enabled for direct access, as always, we managed the contexts of the admin context.

  How can we have for all contexts of work Device Manager?

  Hello

  You will need to click on each of the contexts in the inventory of the CSM and select "Properties". From there, you must add a management IP address both the credentials for the individual context. This will allow you to launch ASDM for a particular context of the MSC. When you discover all the contexts through the context of the admin, CSM fills only IP address and credentials for the admin context fields.

  -Mike

• How JOINT can monitor interface FWSM

  Hello

  Three VLANs have been affected to the FWSM: 2 (outside), 3 (DMZ) and 4 (on the inside).

  Now, I would like to make an interface in mode inline monitoring traffic entering FWSM inside the interface.

  As the FWSM inside the interface makes sense, how can I set up JOINT monitoring.

  Rgds

  Yes the JOINT will FILL the two VLANS, there will be no ROUTING here since the two VLANS won't be in the same subnet

  You want to assign the sub-inteface 1 you created to the vs0 (virtual sensor). For each new sub-inteface you add (to a physical interface) you need to go and the virtual sensor.

  Just use the GUI, it will do everything very intuitive.

  Concerning

  Farrukh

• JOINT-2 before FWSM in 6509 switch

  Hi all one.in my network I switch 6509 witch is connected with access layer switches.connection between laquerbe access switches and 6509 is trunk port.for all the VLANS, interfcae vlan in 6509 is arrested and FWSM all interface vlan X a witch ip address default gateway of the server connected to the access layer switches.my problem is that I want to inspect all traffic VLAN before they went to the FWSM , but I do not know how to monitor several VLAN that they recived via port trunk on 6509 and all the vlan interfaces has only IP in the FWSM. ???

  You have to break your existing VLAN into two. Lets say existing VLANs are 100 to 110. You need to make 10 new VLAN, lets say from 200 to 210. Then, you need fill both of them on the METHOD. The VLAN X 10 will remain on the access layer switches. However the FWSM Lass will change interface vlan 1xx interface vlan 2xx. Allow 2xx VLAN on the trunk FWSM (Via the Firewall-Group command) and the 1xx 2xx orders and on the JOINT trunk (Via the command of intrusion detection).

  Concerning

  Farrukh

• Bypass FWSM VLAN via JOINT

  I have a briged the FWSM VLAN (DMZ, DMZ-BRIDGE of the name) through the METHOD. However, on the failover 'show' on FWSM Server VLAN shows as "No. Link / Unknown". Is it because there is no assigned IP address. Is this the right status/configuration. Do I have to assign an IP address to the VLAN bridged. Please help.

  This host: primary: enabled

  DMZ-BRIDGE (0.0.0.0) interface: no connection (not guarded)

  Another host: secondary - ready Standby

  Interface DMZ-BRIDGE (0.0.0.0): unknown (not guarded)

  NO.

  Only Vlan 10 and 20 will be defined on the FWSM and will be delegated to the switch.

  JOINT will L2 bypass and it will fill vlan 20 & 30.

  Same IP network will exist on vlan 20 & 30.

  Syed

• JOINT double and double FWSM

  I have two basic 65XX switches in config HSRP. Both switches has FWSMs configured in failover and active mode.

  Both switches has JOINT-2 as well. JOINT-2 active switch will do traffic analysis. It is supposed to failover in case of failure of the active switch.

  The active JOINT-2, active FWSM has been configured as a blocking device.

  Can the JOINT-2 standby pass also set up unit of the active FSWM? (In this case, the two controls IDSMs the FWSM even.

  No, you should not configure 2 sensors to control the same firewall (router or switch).

  2 wind sensors fighting for control of the firewall and remove each and other block commands in some situations.

  If you have 2 choices.

  (1) configure each JOINT-2 to only control it is associated with FWSM.

  or

  (2) set up a JOINT-2 as the master blocking sensor and the other JOINT-2 that the sensor block Forwarding. The master blocking sensor will control the two FWSMs. You will lose all block them if you master blocking sensor breaks down for some reason any. There is no "failover" other JOINT-2 mechanism to take over.

• FWSM shun

  Hi all

  We have problems with the FWSM shun sent by IPS that sometimes they seem to stick around forever and that does not clear automatically. A large number of them are recurring and are running from the positive, but there are some that should not be avoided, and they do not erase!

  Who would be the best way to send a clear automatic shun to the FWSM.

  Cordially MJ

  Shun control allows you to block connections from a host of attacking. Packets corresponding to values in the command are fallen and connected until the blocking feature is removed manually or by the Cisco IPS sensor.

  So, you would have either to do manually or with a script, or the shun using the event that triggered it must clear the IPS.

  I hope it helps.

  PK