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Antivirus:
- We strongly recommend an antivirus on all computers.
- Although we do check all emails for viruses, not all viruses
spread through email
- We also recommend that you update your virus definitions or
databases weekly
- The following are recommended antivirus software:
| Product |
Hits: |
Misses |
| GRISOFT
AVG |
Free version, protects emails, small |
Free version lacks advanced options |
| Norton
Antivirus |
Updates simple, checks nearly all new
viruses |
Have to pay yearly subscriptions; probelms
with Outlook Express and passwords; Uses a lot of memory. |
| McAfee
VirusScanner |
Auto-update feature, fastest search and scan |
Have to pay yearly subscriptions; |
Routers:
- If you have a multiple PCs, we strongly recommend a router to
block network intrusions to your local area network
- For a complete list of DSL/CABLE MODEM routers, go to http://www.google.com
and search for "DSL Cable modem routers"
- If you have a router and would like to set it up, click here.
Firewall:
- If you have only 1 PC and your PC is fairly new, we strongly
recommend install a personal firewall.
- For more information about firewalls, visit http://grc.com/su-firewalls.htm
Spam
- Spam is unsolicited commercial emails
- To stop SPAM do the following:
- Never send e-cards
- Never unsubscribe to email list you never joined
- Never post your email address anywhere on the Internet
- Never signing up for free getaways online
- Never forward emails that promise money, ask for help or
chain emails
- If you get SPAM, you can filter it out using your email
client. WADSNET adds to most SPAM emails the subject of
"{SPAM?}". You can create filters on your
email client to delete or remove all emails.
Pop-up blockers
- To stop annoying POP-UP ads on websites, choose and install
one of the following:
| Product |
Hits |
Misses |
| Pop-up
Blocker |
Free, simple,
has sound effects, easy installation |
Very few
options, must upgrade to professional edition to get
more options and features. No history of blocked sites. |
| StopZilla |
Easy
installation and setup, has personal blacklist, spyware
blocker, cookie blocker, adware blocker, history
blocker. |
Trial version
only for 15 days. Must buy full version. |
| Proxomitron |
Free, tons of
options |
Very complex to
install |
| PopUp
Killer |
Easy setup, has
blocked list, logs. |
Trial version
only for 15 days. Must buy full version. |
Port blocking
- For security reasons, WADSNET blocks the following known
abusive ports
| UDP 135,137,138,139,593 |
Microsoft
Windows file and printing sharing. To prevent most
Windows scripts and hacks. |
| TCP
135,137,138,139 |
Microsoft
Windows file and printing sharing. To prevent most
Windows scripts and hacks. |
| UDP/TCP 445,593 |
Microsoft SMB
Port; Windows file and printing sharing on Windows 2000
and XP |
| TCP 27374 |
SubSeven 2.1
Windows Remote Control Trojan uses this port |
Email attachment blocking
- To prevent email viruses and denial of service attacks on
our email servers, we block the following email
attachments
| partial
emails |
Some email
clients break large attachments into smaller
emails. Partial emails will be deleted to prevent
possible viruses. To prevent this, in your email client,
turn this feature off. |
| Hiding real extension |
Attachments like
THIS.EXR.DOC |
| *.SCR |
Screen Saver
attachments |
| *.LNK, *.PIF |
Link or shortcut
files. Instead of sending a LNK file, just email
the person a URL |
| *.BAT, *.CMD |
Possible viruses
windows scripting worms |
| reg , chm, cnf,
hta, ins,jse, ma[dfgmqrstvw], scf, sct, shb, shs, vb[es],
ws[cfh], cpl, mhtml |
These extensions
are possible worm scripts. All are blocked. |
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