Peter Kiem <mailto:[EMAIL PROTECTED]> wrote on Wednesday, 12 March 2003 09:36:
> Hi Yujie, > >> How can I detect which ports are opened on my firewall? I remember >> there is a command with "snmp" can do the job. > > The best idea is to scan it with a program called "nmap". > But remember that the results might depend on where you are scanning from. Specifically, if you scan an address on the same machine then you might sometimes get "false positives". That is, your connection is allowed from the local machine, but not allowed from the internet. I don't understand the details, but I suspect it does not traverse the input filter chain. Maybe it will even depend on whether you use iptables or ipchains. Cameron. -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
