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之前发过一个帖子有关Telus, Shaw 的比较，
( e, s1 \3 I' Y, V# S3 s3 @4 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。& ]) J1 B" s+ h! D0 S
+ R2 S/ A3 C$ @; k1 [6 k# D$ L2 tDoes Telus block any ports?
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The only packages with no blocked ports at this time are the Server packages. . L8 t/ h" ^/ k- G% N! \& x! @. D/ b
& H `5 z3 {: L IThe Blocked ports currently are: R! I. {6 h3 z
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TCP 21 (ftp)0 I/ t" [6 e1 {3 z. u4 P, a
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.& c; x3 d8 J: j M5 x
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TCP 25 (smtp)
! `. a7 H& ]7 [% x6 L- ZCustomers 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.! Z7 b$ _8 U1 G+ m% e& i, j
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TCP 80 (www)" |0 w3 J& W5 C3 V4 E# V4 T" `( C
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.# D% o) b3 a: g0 R- U) c6 x
7 N/ ?) y1 f3 RTCP 110 (pop3)0 b; G q y6 O1 Y" Z
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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TCP 6667 (ircd)
! R" x$ P, ?8 o. }7 E5 vCustomers 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) K+ C$ i9 {2 R( A& @" O# T
These ports are commonly exploited by worm viruses:1 c# M* d' o2 R: q5 y( X M/ \
135 Windows RPC
' [7 S1 l) Q% O% }) K7 z$ {136 PROFILE Naming System (basically unused)+ P) W' X1 T: T! k. v, E
137-139 Windows NetBios
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TCP/UDP 445 (ms-ds)
! x- e- ^; n4 z, B* ]' l0 {; YMicrosoft 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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. W3 p1 ]9 K9 n0 N e6 p) zTCP/UDP 1433-1434 (ms-sql)
% e. d5 m2 U* m _$ e8 yMicrosoft 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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