What should be the best anti virus, spyware and firewall for windows xp?

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Matousec announced the firewall testing results after they adopted a new testing program on May 17.

Comodo Personal Firewall still achieved the highest results. A total of five products have been recommended, as follows:

Comodo Firewall Pro 3.0.22.349FREE 95% / 73 10+ Excellent  
  ProSecurity 1.43 93% / 62 10 Excellent  
Outpost Firewall Pro 2008 6.0.2302.264.0490 91% / 62 10 Excellent    
Online Armor Personal Firewall 2.1.0.131 FreeFREE 89% / 73 10 Very good   
  Kaspersky Internet Security 7.0.1.325 85% / 62 10 Very good  

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1. Use firewall to close unused ports:

1) At the command prompt, type the following line:

echo 1　> /proc/sys/net/ipv4/icmp_ignore_all

2) Use firewall to prohibit (or discarded) icmp package:

iptables -A INPUT -p icmp -j DROP

3) Change the SSH portmost , which is preferably more than 10,000:

vi /etc/ssh/sshd_config

4) Create common users and disable direct root login

useradd ‘username’

passwd ‘username’

vi /etc/ssh/sshd_config

Insert the following sentence in the end:

PermitRootLogin no

5)Changes following file permissions, so that nobody can change the account privileges:

chattr +i /etc/passwd

chattr +i /etc/shadow

chattr +i /etc/group

chattr +i /etc/gshadow

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