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For the fw monitor Checkpoint has wrote a dokumentation with the name fw_monitor_rev1_01.pdf. This document is old and – I guess – was never updated with the missing features that can be used to filter with fw monitor. There is a table that I got actually from the site: http://yurisk.info/2009/12/12/fw-monitor-command-reference/ I just copy it here […]
August 22, 2011
The users connects with Anyconnect client with IPSec to the ASA firewall. Lets say we have 2 Certificate Authorities (with the issuername IssuerA and IssuerB) and the users are mapped to tunnel-groups according to the issuer. A user called Terry Wood needs SSL as he works in a Hotel and the local proxy enables only […]
August 9, 2011
To debug a checkpoint firewall is not a big deal, but to understand the output is in many cases imposible for those NOT working at Checkpoint. I write here not about the exact analysation with debugging, just a ‘how to collect the required informations’ that may speed up the troubleshooting. 1. Reset the debugs to […]
July 18, 2011
With my requirements for any networking layer 3 device I collected the basic commands that we have to know or you will not be able to manage your fortigate. Okay, okay this is a bullshit, I just update this page since it is the number one post on my site.. :-) 1.0 Check the basic […]
July 17, 2011
In the old version of cisco firewalls – Version 6.x – it was not possible to disable nat control. After that cisco gave us the possibility to control it on our own with the command nat-control. This year in Version 8.3 not only the command nat-control, but the commands global, static and alias were deleted […]
July 15, 2011
I try to configure the ASA to find the tunnel for anyconnect users according the certificate details. The command look like following: firewall(config)# crypto ca certificate map <certificate-map-name> <sequencenumber> Where the sequencenumber is the Sequence to insert into certificate map entry firewall(config)# webvpn firewall(config-webvpn)# certificate-group-map <certificate-map-name> <certificate-map-index> <tunnel-group name> Where the certificate-map-index is the index […]
March 9, 2011
With the following configuration and with sufficient license we should be able to connect to our Cisco ASA firewall with Cisco Anyconnect and with the new Anyconnect Secure Mobility Client (the first Cisco IKEv2 client) and with the old Cisco VPN client with IKEv1, that is natively supported on some Apple devices, like an IPad. […]
December 13, 2010
RA VPN timeouts 1. Session timeouts 2. IPSec SA lifetimes 3. ISAKMP lifetimes and Nat-T keepalive interval 4. Timeout in the group policy 5. DPD timeouts. 1. Session timeouts As the VPN may go through many Firewall till it reaches the VPN gateway it can happen that the session is broken before the timouts here […]
December 7, 2010
Have you already experienced that the VPN session times out without after some minutes on your IPad. No matter if the keepalive setting is reached or not, it will disconnect after some minutes. There is a document for IPads what the support regarding the IPSEC. Here ist the link: manuals.info.apple.com/en_US/Enterprise_Deployment_Guide.pdf (Page 68 – Certificate section.) […]
itsecworks 
August 22, 2011
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