Network Security

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Hi, I have a new 5510 that I have enabled smtp service but when I try to telnet to the firewall port 25 the display is just garbled characters and it wont allow the connection to my server. What could I be missing in the config?

osoamazin by Level 1
  • 1993 Views
  • 13 replies
  • 0 Helpful votes

I have a PIX 525 and need to open port 401 for outside traffic (Internet) for the address of ex:216.134.44.111.How should I proceed?This is a first for me...

fconn by Level 1
  • 493 Views
  • 2 replies
  • 0 Helpful votes

i have this problemthe pix 520 dont booti cant update for this problemWatchdog timeout failure! Please contact customer support. PC SP STATE Runtime SBASE Stack ProcessLrd 8001632e 804a40a0 800509c0 0 804a30e0 400...

jorantes by Level 1
  • 369 Views
  • 1 replies
  • 0 Helpful votes

Hi All,I configured my Cisco 857 router using the SDM utility. I assume that by default the SDM does not create a configuration whereby management to the router can be done over the Internet (to external IP) using ssh, telnet, etc?I assume in order t...

Hi all, I recently configured a cisco ASA 5500 firewall with PAT & basic filters. Everything is ok other than DNS. I dont have any internal DNS servers I am using my ISPs DNS servers for name resolutions. In the nslookup utility of a client computer ...

sarangad by Level 1
  • 862 Views
  • 1 replies
  • 0 Helpful votes

hi all , I am having ASA with AIP card , users are using lots of p2p applications and tunneling softwares and becoz of that my internet bandwidth gets chocked , and i have to restart the ASA. I want to block p2p application and tunneling. is it possi...

amit.seth by Level 1
  • 735 Views
  • 2 replies
  • 0 Helpful votes
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