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Windows 7: UPD packets


19 Apr 2010   #1

Windows 7
 
 
UPD packets

All, I am on Windows 7, HP PC.... cable modem..

I keep getting messages on my Norton AV that read, "Inbound UDP Packet Allowed". I traced the ISP these packets are coming from... and it is my ISP.VIA port 53. I see that one of the ISPs, however, is in another state on the other side of the country, and its to another port. i believe 8085??

Are these causes for alarm?


My System SpecsSystem Spec
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19 Apr 2010   #2

W7 Ult. x64 | OS X
 
 

Capture some of the packets, upload them and someone should know.

Wireshark Go deep.
My System SpecsSystem Spec
19 Apr 2010   #3

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by wyman View Post
All, I am on Windows 7, HP PC.... cable modem..

I keep getting messages on my Norton AV that read, "Inbound UDP Packet Allowed". I traced the ISP these packets are coming from... and it is my ISP.VIA port 53. I see that one of the ISPs, however, is in another state on the other side of the country, and its to another port. i believe 8085??

Are these causes for alarm?
Probably not, UDP is not the most dangerous protocol. But if there are 2 ISP's one yours one not, the other one (and port ) should be blocked.


Ken
My System SpecsSystem Spec
.


19 Apr 2010   #4

Windows 7
 
 

Quote   Quote: Originally Posted by zigzag3143 View Post
Quote   Quote: Originally Posted by wyman View Post
All, I am on Windows 7, HP PC.... cable modem..

I keep getting messages on my Norton AV that read, "Inbound UDP Packet Allowed". I traced the ISP these packets are coming from... and it is my ISP.VIA port 53. I see that one of the ISPs, however, is in another state on the other side of the country, and its to another port. i believe 8085??

Are these causes for alarm?
Probably not, UDP is not the most dangerous protocol. But if there are 2 ISP's one yours one not, the other one (and port ) should be blocked.


Ken
Thanks... I guess what I meant was that 1 of the ISPs is my actual ISP company, not me.
My System SpecsSystem Spec
19 Apr 2010   #5

Windows 7
 
 

I guess what Im wondering is...

Why is my ISP company sending me UDP packets?
My System SpecsSystem Spec
19 Apr 2010   #6

Windows 7 Ultimate 32-bit
 
 

For my opinion, UDP packet, User Datagram Protocol, usually, used to stream media, like playing videos. For your case, on port 53, mostly is from the Domain Name System, which is called DNS in short. well, correct me if i am wrong. If you would like to check for the exact IP and trace the source, go to cmd and type netstat -n to see what are your listening port and established ports, then this port is connecting from where. Hope that helps.
My System SpecsSystem Spec
19 Apr 2010   #7

Windows 7 Ultimate 64-bit
 
 

Quote   Quote: Originally Posted by cashng View Post
For my opinion, UDP packet, User Datagram Protocol, usually, used to stream media, like playing videos. For your case, on port 53, mostly is from the Domain Name System, which is called DNS in short. well, correct me if i am wrong. If you would like to check for the exact IP and trace the source, go to cmd and type netstat -n to see what are your listening port and established ports, then this port is connecting from where. Hope that helps.
This guy is correct. UDP is connectionless. You are requesting the packets whenever your computer tries to resolve a domain name to an IP address. Turn those Norton alerts off. They're bogus.
My System SpecsSystem Spec
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 UPD packets




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