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之前发过一个帖子有关Telus, Shaw 的比较，
, f2 M _$ v" @5 @; L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? ; J) o/ b- k) x% }- V. ?
& a7 }3 \& ]9 A% G; i9 q5 SThe only packages with no blocked ports at this time are the Server packages. - F3 O' h3 A) A* A6 M8 S. q
8 e3 Z$ W- Y- r! ^! y/ xThe Blocked ports currently are:/ f( }, h1 b" i0 k% S* b5 X
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TCP 21 (ftp)% u, n0 G$ y! d& G0 X( d& E
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.9 @% w1 L9 i7 ~: [9 U/ ~6 i9 i
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TCP 25 (smtp)0 s3 a6 I5 C* b" M9 H) [
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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TCP 80 (www)# z; d" o* r6 ^7 _. ~
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.: {% e" _; ]9 E K' y) y$ O
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TCP 110 (pop3)! h7 e# ~+ P% V, {5 ]8 d8 D7 Z$ {3 v
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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' N" o0 G% d( Z9 ~9 x2 G0 BTCP 6667 (ircd)2 g9 D- a* J( j( [
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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" p, M% q2 p0 l1 cTCP/UDP 135-139 (dcom and netbios)
! q1 R/ J' y7 ?These ports are commonly exploited by worm viruses:
+ o3 B, i7 z1 l; [135 Windows RPC
2 Z9 Q/ Y/ {$ S3 G( D136 PROFILE Naming System (basically unused), W2 `+ @5 d% Q1 M. P; P" Q
137-139 Windows NetBios l$ }! J! Q* E7 q: W5 ~
6 l y5 A3 J# Z: ?2 TTCP/UDP 445 (ms-ds)
6 `, m a2 Y) F( |% |/ h* aMicrosoft 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.+ d1 Z/ H8 R7 v
$ T. I7 J1 d/ PTCP/UDP 1433-1434 (ms-sql)% F ? Y, p4 Y% B6 D/ d' @
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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