 鲜花( 87)  鸡蛋( 1)
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之前发过一个帖子有关Telus, Shaw 的比较， : ^; r5 ]) ?4 W# w ?$ k
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。" j& J0 @0 [6 p! f4 g" [# D
0 d, w3 J# z2 @- pDoes Telus block any ports? ) E" l. h4 o/ n8 C6 p, M5 Q
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The only packages with no blocked ports at this time are the Server packages. 3 p% L0 e) J) L7 V' L
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The Blocked ports currently are:
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: |( T+ `2 X& m' A7 `$ k! `TCP 21 (ftp). q S+ `9 F' r% N, T8 ?$ f
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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TCP 25 (smtp)/ f: D. f9 a- }7 r
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.( _# J0 H# X# j$ H/ E+ `
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TCP 80 (www)
; R5 K: c! Q. gCustomers 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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TCP 110 (pop3)! a! i7 s2 C# E* x5 {: V( U; a
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.
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5 }# s/ a4 m9 Y, k0 R* I. H' nTCP 6667 (ircd)4 l! }( M6 Y, j) C2 h0 h8 A
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)/ g7 u1 a9 C/ v- X/ ?
These ports are commonly exploited by worm viruses:5 i- h; w8 p: f c2 w
135 Windows RPC
7 @7 F3 x; [; j/ {( w8 y e136 PROFILE Naming System (basically unused). ^ G9 X* S( ~2 n$ {+ p
137-139 Windows NetBios9 j5 G6 t: t" ~0 G
9 c* u; A# ~" ITCP/UDP 445 (ms-ds)) N) I1 y$ m" o5 R( J
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.
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9 w7 @9 F; M4 A- pTCP/UDP 1433-1434 (ms-sql) o' f2 K: V- K% N: }/ P( x
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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