As you probably noticed IP header has variable length placeholder for the IP Options field. It has been there since the beginning , once a good idea for debug now turned into trouble. RFC 791 states that hosts/routers supporting IP protocol must implement Ip Options filed . It is up to the vendor to decide [...]
Jan
23
2010
23
2010
Jan
18
2010
18
2010
Cisco ASA privilege separation for a local user or read only user on ASA
Today I had the need to create a user in ASA that would have read-only permissions and also could issue
only 2 commands: show run and show conn. Here is how to do it.
We talk here about user with local authentication (with TACACS it is much easier).
Just as in Cisco routers you assign specific command to [...]
Dec
6
2008
6
2008
Finding the station/IP using/abusing most of the bandwidth – PIX/ASA
Here is a short how-to I wrote some (well ,long) time ago for the newcomers to our department. It was written for the PIX , but applies to ASA as well in most cases,see for ASA notes for differences.
Usually it starts with client complaining about slow internet, or users that already work in net are [...]