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之前发过一个帖子有关Telus, Shaw 的比较， 2 g) Z; K3 X8 ~! j- N
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。( \, |& F6 z2 R* A: }& U
W4 A1 u' ]7 h' c8 _* ^Does Telus block any ports?
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The only packages with no blocked ports at this time are the Server packages. $ \% F0 V, x l
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The Blocked ports currently are:
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4 J" h: }% C$ p" F" `% q% ?) ~! bTCP 21 (ftp)
# V7 s+ x! F. }8 Y$ L: G1 tCustomers 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.- H/ V y) ~+ Z. o: r z0 _: p$ U, y
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TCP 25 (smtp)) y2 E! O3 m& z" D2 {0 l
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.( q+ s) k% q6 [2 _2 J
F, ?: y4 M2 a( `/ KTCP 80 (www)
/ L- N- g1 ]5 @0 [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.0 M/ W* R2 V, V. J; D' \
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TCP 110 (pop3)/ V! Q" ]) J4 M" a/ d
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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8 S1 l5 L# E- N, YTCP 6667 (ircd)# h* l) m, Y {2 c/ n
Customers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.2 A4 u' V. l! i) V/ k
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TCP/UDP 135-139 (dcom and netbios)
8 v2 @- T4 t( _These ports are commonly exploited by worm viruses:
: C7 P% G5 M! D7 Q; V f- R135 Windows RPC
8 H( `5 P2 {5 n136 PROFILE Naming System (basically unused)8 L- p4 }( `* ?/ g, d3 a5 _* K" }
137-139 Windows NetBios
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! o+ z( r. h. U- d/ \TCP/UDP 445 (ms-ds)
. U9 ?8 m$ p2 i8 ~$ a! q0 s( m) lMicrosoft 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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6 g8 K& ^/ z3 nTCP/UDP 1433-1434 (ms-sql)
) t( S, @) K4 PMicrosoft 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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