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Dhillon

Exim Commands

By Server Admin No Comments

Exim Commands

REMOVE MAILS BY ID

/usr/sbin/exim -v -Mrm (MAIL ID HERE)

LIST QUEDED MAILS

/usr/sbin/exim -bp

OUTPUT NUMBER OF QUEUED MAILS

/usr/sbin/exim -bpc

DELETE FROZEN MAILS

/usr/sbin/exim -bp | awk '$6~"frozen" { print $3 }' | xargs exim -Mrm

DELIVER FORCEFULLY EMAILS

/usr/sbin/exim -qff -v -C /etc/exim.conf &

FREEZE MAILS FROM SENDER

/usr/sbin/exiqgrep -i -f (MAIL ADDRESS HERE) | xargs exim -Mf

REMOVE MAILS FROM SENDER

/usr/sbin/exiqgrep -i -f (MAIL ADDRESS HERE) | xargs exim -Mrm

Prevent DDOS Attack

By Server Admin One Comment

Prevent DDOS Attack
(D)DoS-Deflate script monitors and tracks the IP addresses that are sending and establishing large amount of TCP network connections. When it detects number of connections from a single IP that exceeds certain preset limit, the script automatically uses APF or IPTABLES to ban and block the IPs.

Installation:

wget http://www.inetbase.com/scripts/ddos/install.sh
chmod 0700 install.sh
./install.sh

UnInstall:

wget http://www.inetbase.com/scripts/ddos/uninstall.ddos
chmod 0700 uninstall.ddos
./uninstall.ddos

.htaccess Bad Bot Block

By Server Admin No Comments

.htaccess Bad Bot Block

ErrorDocument 403 /403.html
SetEnvIfNoCase ^User-Agent$ .*(useragent1|useragent2|useragent3) BADBOT
SetEnvIfNoCase ^User-Agent$ .*(useragent4|useragent5|useragent6) BADBOT
SetEnvIf remote_addr xx.xx.xx.xx BADBOT
Deny from env=BADBOT