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之前发过一个帖子有关Telus, Shaw 的比较,
p2 L# u# O9 \1 s' d! T家用Telus 已经封锁了不少端口。 也随时不通知下说锁就锁, 非常讨厌。
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Does Telus block any ports? 2 X4 @8 l' x% S1 y Q
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The only packages with no blocked ports at this time are the Server packages. 5 | e+ \. X3 Q0 T# F" c6 s/ K5 @
" W; [6 r: |) m# BThe Blocked ports currently are:9 n8 J3 j" b" i* y4 b# x6 Q
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TCP 21 (ftp)
6 l: L9 @* L/ P( U9 n7 BCustomers running an FTP server will no longer be able to have Internet users connect to their server. Many customers computers are used as FTP servers to store illegal files.1 }" O( {" F6 N0 U
7 k& s$ \8 i1 J2 OTCP 25 (smtp)
' ]5 L9 z! L; q2 e+ @Customers running a SMTP mail server will no longer be able to receive email requests. Also, Telus users will not be able to connect to non-Telus smtp servers on port 25. Prevent mail servers that operate as an open relay. Open relays are used without a customer?s knowledge to sends millions of pieces of Spam.
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; e2 b' h9 d- B4 |7 C. gTCP 80 (www)
- z* B9 ? q( M5 a6 Z1 QCustomers running a Web server will no longer be able to have Internet users connect to their server. Common exploit on old Window IIS server and Linux boxes that are not properly patched.
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. _- Q7 W5 r9 }5 C6 STCP 110 (pop3)5 w: e9 z q* {) W$ i
Customers running a POP mail server will no longer be able to have Internet users connect to the server. Prevent mail servers that operate as an open relay. Open relays are used without a customer?s knowledge to sends millions of pieces of Spam.) H" k' l( D$ f" g* K/ \: B" ]# H* W- ^
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TCP 6667 (ircd)
% { g+ E) W. @7 z" E# s8 U: aCustomers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.
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TCP/UDP 135-139 (dcom and netbios)/ D1 e6 g; o7 l+ W0 c* E. b
These ports are commonly exploited by worm viruses:- n( P- ?4 B9 c% `
135 Windows RPC' W Z: V( |' L( c$ T
136 PROFILE Naming System (basically unused)- q, N1 ]7 N5 f- V- C. {
137-139 Windows NetBios" ~8 H) x ?( u' o ~
H5 X6 F$ _5 a9 C- dTCP/UDP 445 (ms-ds)3 i# K; }# E7 w
Microsoft Directory Services - Customers that allow legitimate Internet users access to their computers will loose this ability. This allows hackers to directly connect to a Windows based computer and gain total control over the OS.' O% ~3 E" `7 r" ]0 Z
0 C: Y! H7 Q8 k5 J: vTCP/UDP 1433-1434 (ms-sql)1 v' k- ?+ C) k, J0 m$ ^
Microsoft SQL server - Customer running an SQL server will no long be able to have Internet user connect to their server. There are several worm viruses that exploit holes in SQL server. |
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