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之前发过一个帖子有关Telus, Shaw 的比较， * }) }" `9 p' s2 N6 B
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。9 ^3 a9 g- P5 k$ ?" N5 L
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Does Telus block any ports?
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The only packages with no blocked ports at this time are the Server packages.
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The Blocked ports currently are:+ Q. i% g* z$ c3 \. D4 d) E" v( F
4 }' M3 A& ]( w3 f+ oTCP 21 (ftp)
0 P. K" i" e/ vCustomers 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.) _ r4 t2 D3 u. ]- X; Z) P
7 G' U: Y3 D( ^, ]TCP 25 (smtp)
5 H, ~4 [5 X3 p0 F0 x0 f4 y' p xCustomers 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.: X. d) ~8 o, W
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TCP 80 (www)* P X$ Z! R: a& J
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.6 K$ l% F! H/ H0 ~- G
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TCP 110 (pop3)
/ r/ M% \" ]) P. Y; D+ F5 [+ hCustomers 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.
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TCP 6667 (ircd)' ~* _* z( [# n( ]: _
Customers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.7 `% |, H3 ]( N/ P1 a/ {* D
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TCP/UDP 135-139 (dcom and netbios)+ d4 v0 m8 E% I9 c3 h& c2 N3 X* z
These ports are commonly exploited by worm viruses:
8 P: z( H% `) e135 Windows RPC
& z: Q2 U! \+ s# R136 PROFILE Naming System (basically unused)5 O/ M/ Z$ G( ^+ T1 L: X
137-139 Windows NetBios* Y* u8 J% Y, _& R
" h' c! u: e; i8 T# gTCP/UDP 445 (ms-ds)
9 }2 b. X6 I( D+ Z' KMicrosoft 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.! V, K" E# d& K) Z ~! y+ T
- B. Q) Y# z* L( O# jTCP/UDP 1433-1434 (ms-sql)
- {" d( Y/ @# @& B8 n. m8 a2 u+ GMicrosoft 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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