 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，
' \/ C0 s/ R# f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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6 F9 B- K0 u* _! ]) }7 uDoes Telus block any ports? / l5 o% z2 i7 k
. [) @- k! |! Y0 O% o, fThe only packages with no blocked ports at this time are the Server packages. * {% ~8 k( z2 k
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The Blocked ports currently are:, c) b* T, x/ A( L+ O
) O, e0 D% Q1 I& ]$ ]3 u0 M/ xTCP 21 (ftp)2 i y- q6 J5 I/ `
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.- @0 n# s! s9 l- t6 c% i
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TCP 25 (smtp)
3 y0 y- R2 L0 u4 k4 F) X2 m$ jCustomers 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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( ]5 }: o$ q4 @ M, X4 C& l, bTCP 80 (www)
) H# Q* T' A% j9 `$ Z4 Q' `, iCustomers 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)3 W4 M* y1 Z" _& D; p
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 s. `/ O# z( i0 R. KTCP 6667 (ircd)
1 w0 x3 z$ W1 d- w4 l+ e( Y, j" FCustomers 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)5 J# `9 u6 R8 j9 U6 k
These ports are commonly exploited by worm viruses:! R0 g! \. V. T5 w+ n' R
135 Windows RPC$ {" g$ a+ x3 B+ N
136 PROFILE Naming System (basically unused)
& |# T: A2 Z' J( h2 t137-139 Windows NetBios
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TCP/UDP 445 (ms-ds)& ^! M0 G' 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.+ _# z; Q# H) W& z0 y- T) e3 x* T1 w
U/ q" v' p" p/ |9 W% v5 GTCP/UDP 1433-1434 (ms-sql)4 O* M# c7 {/ l" D8 N
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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