how to upgrade those package?

[Travis Rousseau]

On Apr 12, 2005 2:13 AM, jim martin <postfix168 at yahoo.com> wrote:
> Hi.. After the security audit, it is found that some
> of the application in our linux box is old.  May I
> know
> how to upgrade them??  Do you need to download the RPM
> on the net and install them or I can just do a
> up2date-upgrade-to-release version kind of things.???
> 
> those old packgage are
> OpenSSH 3.6.1p2 (protocol 2.0)  need to upgrade to
> protocol 3.9?
> 
> Apache httpd 2.0.46 -need to upgrade to 2.0.5
> 
> Squid webproxy 2.5.STABLE3- need to  update the latest
> patches
> 
> Where to get those patches?
> 
> MySQL 3.23.58- need to upgrade to version 4.0.21
> Do we need to reconfigure the database after the
> upgrade?
yum update should take care of everything except mysql, you'll have to
get those rpms from mysql

Travis R.