Network Security

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Forum Posts

Hi folks,I've got a questiong about ACL hashing on routers and ASAs, on the router I can use the command:ip access-list logging hash-generationAnd as far as I understand the ASA generates a hash for its ACLs by default, is this true? is there some eq...

RonHarnik by Beginner
  • 1 replies
  • 0 Helpful votes

Добрый день! Пытаюсь установить Cisco IME на Windows 8, однако появляется ошибка Cannot start MySQL server и говорит что не хватает файла msvcr71.dll. Скопировал этот файл с 7-ки в нужную папку, однако результат тот же. В чем может быть проблема?Верс...

I have two private networks behind an ASA5505 that need to access the Internet and also talk to each other. Each private network hosts a couple servers with NATed/published services.  Since the ASA is not exactly the best device to use to route traff...

tato386 by Frequent Contributor
  • 2 replies
  • 0 Helpful votes

I've received a couple of alerts from Symantec anti-virus on a server and client computer saying that it is being port scanned. I was wondering what a network administrator would do about these warnings? Should I just setup a wireshark capture on the...

I have a Cisco ASA 8.4. I have an internal website for an application that they use both internal and externally (  is The company that hosts their External Website and DNS created a record that points to http://app.domain...

nickbarber by Beginner
  • 2 replies
  • 0 Helpful votes

HelloI have an ASA5520. Up until recently, I was able to telnet into the device with no troubles. I can access the command line via the ASDM. I removed and re-entered the Telnet commnds, no success.What could be causing this?

Hi,I am auditing the network and bit worried to configure the “ip verify reverse-path interface outside & ip verify reverse-path interface inside”, so thought to take further advice from experts.My understanding of RPF is that suppose for incoming pa...

raza555 by Participant
  • 3 replies
  • 5 Helpful votes

Dear All, I saw below default configuration showed in my new 5505 and 5515 ASA.  May i know what is the function of those configuration and does it command affecting of my ASA firewall?class-map inspection_defaultmatch default-inspection-traffic!!pol...

alan-wong by Beginner
  • 3 replies
  • 0 Helpful votes
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