Category: Internet


Name.com Promo Code

Name.com is an ICANN-accredited domain name registrar. To get a discount on your new awesome website, simply use the promo code at checkout, and you’ll get a super sweet price.

Use HELLO at checkout for one $7.99 .COM registration. New customers only, does not apply to Premiums or renewals.

Use TOMATO at checkout for $10.99 .COM renewals and $12.99 .NET renewals. Does not apply to Premium domains.

 Free WHOIS Promo Code: PRIVACYPLEASE


Block attack from ylmf-pc

Block attack from ylmf-pc

When your smtp server getting attacked by a host called ylmf-pc, the easiest way to solve this is to add a iptables rule that looks like this:

iptables -I INPUT -p tcp --dport 25 -m string --algo bm --string 'ylmf-pc' -j LOG --log-prefix "Firewalled packet: ylmf-pc "
iptables -I INPUT -p tcp --dport 25 -m string --algo bm --string 'ylmf-pc' -j DROP