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April 21, 2020

BFD – r-fx network ignore cdir

Filed under: Linux — Tags: , , , , — admin @ 12:46 pm

I personally like the r-fx project with apf / bfd firewall . I am using from long time and is great. One of the feature that is missing is that you can not exclude cdir format from bfd. My workarround was to install the grepcidr package and then on line 137 of /usr/local/bfd/bfd to modify it from

CHKHOST_IGNORE=`cat $file | grep -v “#” | grep -w $ATTACK_HOS`

into

CHKHOST_IGNORE=`/usr/bin/grepcidr -f $file <(echo $ATTACK_HOST)`

After this you can add x.x.x.x/y format

April 8, 2020

Vps with openVZ problems

Filed under: Linux — Tags: , , — admin @ 1:51 pm

If you ever encounter problems on your vps, first please check this

cat /proc/user_beancounters

If you see failcnt >0 then you have some limitation problems.

August 29, 2019

Bind mount

Filed under: Linux — Tags: , , , — admin @ 1:34 pm
I note this for me . I need to see a log directory on the account over scp. So one soulution for me was to mount with bind the log directory.

mount --bind /some/where /mnt/readonly
mount -o remount,ro,bind /mnt/readonly

February 5, 2019

How to exclude subfolder from password protection with .htaccess

Filed under: Linux — Tags: , , , , , — admin @ 1:38 pm

So if you want to protect a website with .htaccess and .htpasswd basically you will use

AuthType Basic
AuthName “Password Protected Area”
AuthUserFile /path/.htpasswd
Require valid-user

If you want a subdirectory to be excluded from auth like .well-known , for lets encrypt then a easy way it to create a .htaccess on .well-known directory and place in it

Satisfy any

January 16, 2019

How to deny execution of php on some directory

Filed under: Linux — Tags: , , , — admin @ 1:12 pm
Just add this on your .htaccess in that directory and php will not be executed.
# Kill PHP Execution
<Files ~ "\.ph(?:p[345]?|t|tml)$">
deny from all
</Files>
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