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之前发过一个帖子有关Telus, Shaw 的比较， 3 o: W5 H7 B" o' g
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。# v" S. a* z" U' A8 Q
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Does Telus block any ports? % [" m) q- G7 q+ j
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The only packages with no blocked ports at this time are the Server packages. : G3 A/ D0 [9 ~2 Y! R" m( N4 V" a
4 r: b! m8 b1 G0 fThe Blocked ports currently are:" i! g6 k8 p: j* j* {
5 B( ?0 U* t5 [' T# h! ^' e& PTCP 21 (ftp)6 G5 F( m) m7 M9 D% g
Customers 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.
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w! |- u2 Q. a; U- x4 x: ITCP 25 (smtp)' _& B7 m) ]6 p u3 g) j5 a
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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2 T1 J, J3 W" n; K! |TCP 80 (www)( ^) O7 n) U( j) Z2 W
Customers 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.+ w F/ w q) y9 ?3 {
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TCP 110 (pop3)
: O; R: P0 b) r+ |7 L P; S. x8 xCustomers 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.2 V" b4 x- M7 E' j5 u4 k
) p+ [6 W5 a/ Q) f7 ?TCP 6667 (ircd)' ~/ r6 o3 C- S8 u" `3 @0 n- k
Customers 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)
5 D1 J( [ \- mThese ports are commonly exploited by worm viruses:, J; S4 C Z3 \
135 Windows RPC0 z& P/ s4 A: R. o5 M
136 PROFILE Naming System (basically unused)
5 n0 y; N# B0 Y2 o; `137-139 Windows NetBios/ a6 e- w5 U+ }/ y) F+ s' f
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TCP/UDP 445 (ms-ds)
, N* K# D- E( QMicrosoft 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. X, ] p# A' F7 n; @7 a, J* N
% U# F7 Y S8 d+ {) [* wTCP/UDP 1433-1434 (ms-sql), R- ~7 \/ R8 Q3 {
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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狗仔卡
发表于 2009-11-7 17:58
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