HI Dean > You most likely want to allow outbound dns and the subsequent reply > > Keep in mind that blocking outbound usually requires a few more > allowances than just the basic service you plan the box to provide. > > NTP also springs to mind, so that you can keep the clock in sync. > > You can also allow ping requests and limit the rate and packet size, > which gives you the niceties of being able to determine some level of > connectivity, whilst reducing scope for abuse.
Thanks for the comments but none of the services you mention are used or even turned on. It's an unusual situation I know. Regards, Rick -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
