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邮电通讯系统 2022-06-24 88 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
Cisco有一项很有用的功能叫做NBAR,它是一种动态能在四到七层寻找协议的技术,它不但能做到普通ACL能做到的那样控制静态的TCPUDP的报,也能做到一般ACL不能做到的(控制动态端口)的那些协议(BT、edonkey等)PDLM是为了扩展NBAR对网络协议和应用的识别能力而设置的通过一些预订好的PDLM模块,Cisco路由器就能够识别出相应的协议和应用而不需升级IOS。目前Cisco网站提供的P2PProtocol的PDLM模块有:Bittorrent,eDonkey,WinMX,Kazza2,FastTrack,Napster等等!用法也比较简单,直接用TFTP把Bittorrent.pdlm,eDonkey.pdlm下载到路由器的FLASH卡上(copytfpt:flash本资料共包含以下附件:
bittorrent.pdlm
citrix.pdlm
directconnect.pdlm
eDonkey.pdlm
fasttrack.pdlm
gnutella.pdlm
kazaa.pdlm
kazaa2.pdlm
mgcp.pdlm
napster.pdlm
rtcp.pdlm
rtp-123.pdlm
rtp-124.pdlm
rtp.pdlm
rtsp.pdlm
sap-app.pdlm
sap-msg.pdlm
sap-pgm.pdlm
sip.pdlm
skinny.pdlm
WinMX.pdlm
Pdlm....

(Cisco has a very useful function called nbar. It is a technology that can dynamically search for protocols in layers 4 to 7. It can not only control static TCPUDP messages as ordinary ACLS can do, but also those protocols (BT, eDonkey, etc.) that ordinary ACLS cannot do (control dynamic ports). Pdlm is set up to expand nbar's ability to identify network protocols and applications through some subscribed pdlm modules, Cisco routers can identify corresponding protocols and applications without upgrading IOS. At present, the pdlm modules of P2P protocol provided by Cisco website include BitTorrent, eDonkey, WinMX, kazza2, FastTrack, Napster, etc! The usage is also relatively simple. Bittorrent pdlm,eDonkey. Download the pdlm to the flash card of the router (copytfpt:flash this document contains the following attachments:
bittorrent. pdlm
citrix. pdlm
directconnect. pdlm
eDonkey. pdlm
fasttrack. pdlm
gnutella. pdlm
kazaa. pdlm
kazaa2.pdlm
mgcp. pdlm
napster. pdlm
rtcp. pdlm
rtp-123. pdlm
rtp-124. pdlm
rtp. pdlm
rtsp. pdlm
sap-app. pdlm
sap-msg. pdlm
sap-pgm. pdlm
sip. pdlm
skinny. pdlm
WinMX. pdlm
Pdlm....)

[下载]15503409969.rar




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