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OpenSSH Hide Version Number From Clients

How do I hide ssh number from clients? When I type the following command it displays server version number to end users:

ssh -v server2.example.com
OpenSSH_5.3p1 Debian-3ubuntu4, OpenSSL 0.9.8k 25 Mar 2009
debug1: Reading configuration data /home/vivek/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to server2.example.com [123.x.y.z] port 22.
debug1: Connection established.
debug1: identity file /home/vivek/.ssh/identity type -1
debug1: identity file /home/vivek/.ssh/id_rsa type 1
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
debug1: identity file /home/vivek/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3
debug1: match: OpenSSH_4.3 pat OpenSSH_4*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu4

OR

telnet server2.example.com 22
Trying 123.x.y.z...
Connected to v.txvip1.
Escape character is '^]'.
SSH-2.0-OpenSSH_4.3

Why does OpenSSH server report its version to clients?
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HowTo: Find Out MySQL Server Version Number

How do I find out mysql server version number under UNIX / Linux operating systems?
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Find out Apache Version

I have a rented dedicated LAMP solution stack server. I need to know what version of Apache I am running. How do I find out my Apache server version? How do I find out what modules loaded using command line option on Linux or Unix like operating systems?
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Find Out Vmware Server Version Under Linux Server

Q. Under Windows it is pretty easy to find out VMware server version. How do I find out remote vmware server version using ssh client running under RHEL / CentOS Linux 5.x?
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How To Hide BIND DNS Sever Version

Q. How do I hide my dns server version number from command such as:
dig @ns1.example.com -c CH -t txt version.bind

How do I hide version under BIND9 Linux / UNIX systems?
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Ubuntu Linux The Apache Configuration

How do I configure the Apache 2 web server securely under Ubuntu Linux operating systems?
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How do I Load / Start RHEL / CentOS / Fedora Linux Iptables Firewall on Computer Boot?

Q. I'd like to start my Iptables based firewall when my computer comes online so that it get protected from the Internet? I'm using CentOS Linux Server version 4.x.

A. CentOS / RHEL / Fedora Linux has service located at /etc/init.d/iptables to start firewall on boot. All you have to do is type the following command to turn on firewall on boot:
# chkconfig iptables on

Your firewall rules are saved at /etc/sysconfig/iptables files.

Access MySQL Server From The Shell Prompt (Command Line)

How do I access MySQL server from the shell prompt (command line)?
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