Given this configuration on my 1600 router that handles a partial frame relay connection, how can I secure the connection to only allow SMTP email to come in and out. I do not use the connection for anything else.
no service password-encryption
no service udp-small-servers
no service tcp-small-servers
ip nat pool sch1 220.127.116.11 18.104.22.168 netmask 255.255.255.128
That worked and saved lots of reading. One more problem: I found that I have to let an application that runs on port 9006 in. It's a remote access application something like PC anywhere called NetAccess. How would I allow that port on incoming and outgoing?
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...