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之前发过一个帖子有关Telus, Shaw 的比较， ) J' M5 g" z3 g! i3 W: t1 G
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。3 |: r. u/ i& m5 {2 X9 H1 v) @7 u
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Does Telus block any ports?
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0 t% k; k8 {! b) F1 N; bThe only packages with no blocked ports at this time are the Server packages.
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; S0 Q: a" u, ]% f H! S7 T" RThe Blocked ports currently are:1 _: B/ U7 O! e& m1 G& U. ~
& o9 ]9 l4 T3 y) p4 zTCP 21 (ftp)
' W0 E* D0 T/ G MCustomers 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.% d j8 E4 @+ l" A: G6 t: Y
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TCP 25 (smtp)# [1 t+ [8 T9 h5 o5 R2 @
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.7 N+ t+ [$ y4 A9 v
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TCP 80 (www)
/ {- R2 } I: [2 FCustomers 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), L# Q$ [' K# O7 U
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)3 S; } H& ?0 e( h+ ^
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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, e" d0 H; f# O; f# r0 |: N. nTCP/UDP 135-139 (dcom and netbios)# S$ h" H0 g- \8 x8 ^
These ports are commonly exploited by worm viruses:
0 b/ s, B G0 }1 q* Q135 Windows RPC7 ]: h* R5 s6 \' U
136 PROFILE Naming System (basically unused)
, Z; U; n: D- p137-139 Windows NetBios
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; Q6 e( Q( v0 u. o' h- TTCP/UDP 445 (ms-ds)' w6 u4 h4 L+ }) }2 n8 \; e( u
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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7 y9 J% E( [' NTCP/UDP 1433-1434 (ms-sql)0 O0 I* r: }$ B& u. H8 b
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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