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Blocking IPs with subnet mask
in .htaccess
bobriggs




msg:1498723
 1:45 am on Apr 15, 2002 (gmt 0)

Suppose the IP range is aa.bb.cc.224 - 255

In .htaccess, I want to deny this range. What is the subnet mask?

Deny from aa.bb.cc.224/255.255.255.31 ?
Deny from aa.bb.cc.31/255.255.255.224 ?

or something else? It's hard to test it. Right now I'm using
Deny from aa.bb.cc
but I don't want to deny from 0-223

 

Brett_Tabke




msg:1498724
 3:15 am on Apr 15, 2002 (gmt 0)

I don't believe there is a "range" operator other than the entire 256 ips in a c block.

Key_Master




msg:1498725
 3:51 am on Apr 15, 2002 (gmt 0)

SetEnvIf Remote_Addr "^aa.bb.cc.22[4-9]$" ban
SetEnvIf Remote_Addr "^aa.bb.cc.2[3-9][0¦4-9]$" ban

Place deny from env=ban within <limit></limit> tags.

This should ban every IP between aa.bb.cc.224 and aa.bb.cc.256

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