 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，
& |: v! o1 n' s; R4 T' a/ G e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。$ G- g: x$ O2 v! R8 ?/ z
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Does Telus block any ports? 7 g H3 H0 _. a
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The only packages with no blocked ports at this time are the Server packages.
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! C* \1 J5 o5 L; a* XThe Blocked ports currently are:$ t8 j$ k- `- R7 o6 T" k
. t k* `$ @! X* _; o0 PTCP 21 (ftp)
2 c/ T' h s t ]0 Z$ C3 fCustomers 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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* m7 S! t, ?3 g5 XTCP 25 (smtp)3 B) }- z 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." t/ r' T6 [1 k
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TCP 80 (www)
+ M' K) s M: q* H1 m0 |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.! U+ x9 a/ Q, D' \. y
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TCP 110 (pop3)
. o5 B2 C; 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.4 N; b" J2 D5 h2 c
# `4 h5 Z# @$ M* V) d, K0 ZTCP 6667 (ircd); g q% [0 j( T, v
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)
6 h. F, v G' Z. k# ]4 \These ports are commonly exploited by worm viruses:
2 m4 S6 ~7 D4 s8 t$ t0 }% w135 Windows RPC
, z6 S* h9 S. g" ]+ l& r136 PROFILE Naming System (basically unused)! d4 P- C) C4 P
137-139 Windows NetBios
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0 ^1 S. y" S5 _( S5 ], C) }, a qTCP/UDP 445 (ms-ds)
, B. x$ k" A/ H- a3 e5 i$ {' C5 `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.' j, B: f6 v; z h$ ^3 p, V k U
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TCP/UDP 1433-1434 (ms-sql)* t8 ?4 J$ A1 A6 o
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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