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USG3030 web address mapping misidentify as p2p protocol result in can not access

Publication Date:  2012-09-20 Views:  48 Downloads:  0
Issue Description
User intranet has a web server,Accounting www service,appear www service only access in area between intranet and web server,accessing of extranet and other safe area are both unsuccessful,version is USG3040 V100R002C01SPC002

Alarm Information
none
Handling Process
1 check dialog by web server of extranet Accounting
[USG3000]disp firewall session table  destination  inside  ip 10.10.10.9
:[eDonkey/eMule_Data]:10.10.10.9:80[222.184.237.178:80]<--218.17.155.9:25862
:[eDonkey/eMule_Data]:10.10.10.9:80[222.184.237.178:80]<--218.17.155.9:47453
found http protocol of 80 interface be identified as eDonkey/eMule_Data protocol
2 intranet and web server are in different area be identified as eDonkey/eMule_Data protocol too
3 be sure user web server did not install eDonkey/eMule,and did not change 80 interface to other protocol
4 check configuration of firewall,found overall and domain open p2p current limiting,after undo eDonkey/eMule_Data protocol of p2p current limiting,can accessing successful

Root Cause
1 intranet of user problems
2 usg3030 deal with stream abnormity
Suggestions
USG3030 web address mapping misidentify as p2p protocol,suggest using V100R001 

END