 鲜花( 87)  鸡蛋( 1)
|
之前发过一个帖子有关Telus, Shaw 的比较，
! C' O( z5 `% ^$ m/ 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。
; m/ l/ i4 P0 t3 D+ Q7 \# c9 S* I! e C2 p4 B" ~, B- w
Does Telus block any ports? : p$ m& [. R- ~1 E$ ~
# ` b: h; u1 E9 N. X0 r
The only packages with no blocked ports at this time are the Server packages.
- P! t% q% v/ `2 P0 s" r2 X: J& V, A3 t, x) _% |
The Blocked ports currently are:+ [* a7 n+ a) O6 ~- e& Y8 k
, X( P, d$ R3 v6 d6 w( A& f& h& B
TCP 21 (ftp)
# l$ x. j, N) aCustomers 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.) ^/ U. g- {' i% |6 {
& Z, W$ w) W$ F8 J) c* p" t
TCP 25 (smtp)
: m3 N3 u& U9 G1 tCustomers 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.
6 u3 U8 S$ ~0 H+ W L! R' F0 M5 g) d; t! z5 m, ^( h
TCP 80 (www)
) O$ V$ {2 l2 m, n! m4 X( E4 f4 BCustomers 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.
- i4 M* \- n, A% z0 r, T- i: O+ q- {' V& g
TCP 110 (pop3)
3 j% r" t" J+ r; V: eCustomers 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.
. K. c) x% B6 b5 N p! G7 V+ _- Z/ Z' t! I3 A" r& S
TCP 6667 (ircd)
- u* Y- i$ }# R& x$ ?8 QCustomers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.
/ O8 r/ x& G d: v5 U2 r) R- {7 |+ d( h2 Z6 u
TCP/UDP 135-139 (dcom and netbios)
' W" ], B/ B4 ? BThese ports are commonly exploited by worm viruses:
3 Z# Q8 z1 n8 w* r$ `" c135 Windows RPC
\, {$ y8 Z6 P* r# X+ U136 PROFILE Naming System (basically unused)/ h2 Y+ K3 {/ K% o! W7 v
137-139 Windows NetBios
1 ?" P5 N a' @2 l' d" T' f& {0 P- j9 P" h6 Q' R
TCP/UDP 445 (ms-ds); h0 w/ V1 I+ x& E, J
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./ Q" f6 a/ B) h5 s9 C
6 ?1 l# P4 c' h" h6 ^0 ~8 kTCP/UDP 1433-1434 (ms-sql)$ i2 Z, c) O7 f7 e
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. |
|
狗仔卡
发表于 2009-11-7 17:58
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
楼主
