Re: large *.can files make things slow
  By: Digital Man to MRO on Tue Jan 02 2024 10:44 am

 >  > I was wondering if there's anything I can do on my end to keep these
 >  > large .can files and speed things up, or if synchronet needs some
 >  > internal changes.
 >
 > 1.3 gigs is pretty massive. How'd that happen?

time and lots of attempts and i'm a hot target.
if something logs in and fails the capcha they get added. if it's a real person
and they pass they get added to a whitelist and dont get challenged again.

 > ip.can file is over a thousand times larger. I wonder if you have a lot of
 > duplicates or perhaps every IP of a subnet listed, when instead you could be
 > using CIDR notation to make the file much smaller. Or just expiring/removing
 > old entries would eliminate much of that file size. Making the expiration of

yeah i could use a different format to make it smaller. this was
just a quick and dirty approach to blocking ips without spending a ton of time.

removing old entries doesnt seem to help. i just nuked the file and the old attackers  are back.

 > memory for all of SBBS to have that massive ip.can file cached. It can be
 > done and would likely have a significant performance improvement, but at the
 > cost of a lot of memory used (in your case).

i guess i'll just trim it down every month.

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