Network Security

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Cisco CyberSecurity

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I am not able to establish IP connectivity between 2 LAN's. Pix with no outbounds restricts forwards traffic via ISP "A" and the return traffic comes in through a router on the LAN via ISP "B" I am able to ping and trace to the relivant servers but u...

hbarkus by Beginner
  • 1021 Views
  • 2 replies
  • 0 Helpful votes

I was just given a PIX 520 with an old configuration that needs to be removed. Anyone know of a quick way that I can erase the current config so I can start with a clean slate?

mitchel by Beginner
  • 1033 Views
  • 2 replies
  • 0 Helpful votes

i want to upgrade my pix(525) software from 5.2(5)to 6.1,here i have some question,please help me 1.how can i fetch my old pix ios from pix?2.what is the best way to up my pix software from 5.2(5), copy tftp flash mode or from monitor mode? 3.if i f...

aimxyi by Beginner
  • 1037 Views
  • 2 replies
  • 0 Helpful votes

Dear I am beginner of PIX I set up a network Internet ----PIX--- mailserver and DNS And I run the following command conduit permit udp DNS eq 53 any conduit permit udp mailserver eq smtp any I can resolve the MX and IP of mailserver in internet zone...

logintck by Beginner
  • 1099 Views
  • 3 replies
  • 0 Helpful votes

I'm new to these firewalls so I'm not sure if this is a hack or something else. Every once in a while I get the following logged to my syslog server: %PIX-4-500004: Invalid transport field for protocol=17, from 213.217.176.56/1599 to 255.255.255.255...

rgonzaga by Beginner
  • 1023 Views
  • 1 replies
  • 0 Helpful votes

Hi..I don't want anyone, on the outside, to be able to ping my outside interface of my pix 515. So, I issued the following commands...icmp deny any echo-reply outside icmp permit any unreachable outside The problem I have now is that my inside hosts...

ewieczorek by Beginner
  • 1002 Views
  • 1 replies
  • 0 Helpful votes

I just got a PIX 515. I've done some reading on it. Is it safe for me to assume that if I do a nat on the inside interface and a global on the outside interface, along with the proper routes, that all traffic from the inside interface will go out, ...

ewieczorek by Beginner
  • 1087 Views
  • 3 replies
  • 0 Helpful votes
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