Ummm, sorry my brain was asleep... you need a /16 not a /24 on that
...
Remember, IP addresses are in octets, so 62.253.0.0, looks like
8+8+0+0 for the netmask. If you wanted to simply block 62.253.69.0
then that would be a /24 (8+8+8+0)...
Sorry
Dave Laird writes:
> Good morning, everyone...
>
> I use IPCHAINS to filter packets coming from systems who are attempting
> to spam a usenet news server running off my network. Here is a line from
> my IPCHAINS used as an example:
>
> ipchains -A input -j REJECT -p all -l -s 62.253.69.89
>
> Now, let's say I want to block access for *everyone* in the 62.253
> network, including this guy. I realize this is a harsh way to do things,
> but running usenet news is a problem unto itself. ;-) You might be
> surprised at the number of times blocking entire network blocks is
> necessary the minute you turn on a news server.
>
> So, wanting to block an entire network block of 62.253, which is
> 62.253.0.0-62.253.255.255 (if I am asking the question incorrectly,
> please correct me) then I would do this:
>
> ipchains -A input -j REJECT -p all -l -s 62.253.0.0/24
>
> Is this not correct? What would work as I described, if this is the
> improper notation?
>
> I've learned a lot from reading this list, but this is one that always
> has seemed to elude me. Thanking everyone in advance...
>
> Dave
> --
> Dave Laird ([EMAIL PROTECTED])
> The Used Kharma Lot
> Web Page: http://www.kharma.net updated 12/28/2000
>
> The only problem with being a man of leisure is that you can never stop
> and take a rest.
>
>
> -
> [To unsubscribe, send mail to [EMAIL PROTECTED] with
> "unsubscribe firewalls" in the body of the message.]
-
[To unsubscribe, send mail to [EMAIL PROTECTED] with
"unsubscribe firewalls" in the body of the message.]
