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Windows 7: Windows outbound firewall implementation


02 May 2010   #31

Windows 7 Professional 32-bit (6.1, Build 7600)
 
 

Quote   Quote: Originally Posted by CarlTR6 View Post
Quote   Quote: Originally Posted by Anderson2 View Post
WIndows7Firewall control plus is contantly blocking
"IPv6 UDP [fe80::283f:6d66:23d:4026]:3540(3540)|Host Process for Windows Services|Local+DNS+DHCP+Update(svchost) OutgoingV6"

That does not seem correct. So I checked and my "Host Process for Windows Services" is set to
"Local+DNS+DHCP+Update(svchost)" which seems reasonableso I do not know why it is blocking all these Host Processes.

I believe I had UDP turned off in XP but do not recall why or how to do it in W 7.

It was uPnP that I disabled, not UDP. Sorry
Quote   Quote: Originally Posted by Greg S View Post
Quote   Quote: Originally Posted by Anderson2 View Post
WIndows7Firewall control plus is contantly blocking
"IPv6 UDP [fe80::283f:6d66:23d:4026]:3540(3540)|Host Process for Windows Services|Local+DNS+DHCP+Update(svchost) OutgoingV6"

That does not seem correct. So I checked and my "Host Process for Windows Services" is set to
"Local+DNS+DHCP+Update(svchost)" which seems reasonableso I do not know why it is blocking all these Host Processes.
Sorry
Yep, it was a constant battle for me to figure out what that was as well. I tried getting info on as many forums as possible to no avail. I finally disabled IPv6 which left me with no more firewall warnings for that. Alot of folks tried to tell me it was the new Win 7 updates service but apparently it's not.
IPv6 is a new protocol not in widespread use. We mostly use IPv4. If you are not using Homegroups, you can disable IPv6. It is enabled by default. It you are using Homegroups, the Win 7 computers apparently use IPv6 to communicate with each other. I say apparently because I only have one Win 7 computer and one XP computer in my homegroup. Any way, if you are using a home group, you need IPv6.

You can disable IPv6 in services. But remember, if down the road you use homegroup you will need to enable it.
Thanks Carl, good additional info. I would like to mention one other oddity that has been cleared up for me by disabling IPv6. At the ole homestead here we use DSL with a linksys router for wireless on three laptops and a cable connection from the router to one desktop. My laptop being one of the three lappys using wireless. I don't use hibernation/sleep etc.. but the other two laptops do. Everytime one of the other two laptops came out of sleep mode, my laptop would disconnect from the net causing me to have to re-connect most of the time manually. Sometimes, rarely it would re-connect auto. Since disabling IPv6, this no longer happens.

My System SpecsSystem Spec
.

02 May 2010   #32

Windows 7 Ultimate 32 bit
 
 

You are welcome, Greg S.

IPv6 has caused several oddities for different folks. My router blocks it; but that is no problem to me since I only have the one Win 7 machine. I do not understand the IPv6 protocol. Chev could probably explain it to us.
My System SpecsSystem Spec
02 May 2010   #33

Windows 7
 
 

Thank you. It's the only W 7 PC in my home network
My System SpecsSystem Spec
.


02 May 2010   #34

Windows 7
 
 

Quote   Quote: Originally Posted by CarlTR6 View Post
Quote   Quote: Originally Posted by Anderson2 View Post
WIndows7Firewall control plus is contantly blocking
"IPv6 UDP [fe80::283f:6d66:23d:4026]:3540(3540)|Host Process for Windows Services|Local+DNS+DHCP+Update(svchost) OutgoingV6"

That does not seem correct. So I checked and my "Host Process for Windows Services" is set to
"Local+DNS+DHCP+Update(svchost)" which seems reasonableso I do not know why it is blocking all these Host Processes.

I believe I had UDP turned off in XP but do not recall why or how to do it in W 7.

It was uPnP that I disabled, not UDP. Sorry
Quote   Quote: Originally Posted by Greg S View Post
Quote   Quote: Originally Posted by Anderson2 View Post
WIndows7Firewall control plus is contantly blocking
"IPv6 UDP [fe80::283f:6d66:23d:4026]:3540(3540)|Host Process for Windows Services|Local+DNS+DHCP+Update(svchost) OutgoingV6"

That does not seem correct. So I checked and my "Host Process for Windows Services" is set to
"Local+DNS+DHCP+Update(svchost)" which seems reasonableso I do not know why it is blocking all these Host Processes.
Sorry
Yep, it was a constant battle for me to figure out what that was as well. I tried getting info on as many forums as possible to no avail. I finally disabled IPv6 which left me with no more firewall warnings for that. Alot of folks tried to tell me it was the new Win 7 updates service but apparently it's not.
IPv6 is a new protocol not in widespread use. We mostly use IPv4. If you are not using Homegroups, you can disable IPv6. It is enabled by default. It you are using Homegroups, the Win 7 computers apparently use IPv6 to communicate with each other. I say apparently because I only have one Win 7 computer and one XP computer in my homegroup. Any way, if you are using a home group, you need IPv6.

You can disable IPv6 in services. But remember, if down the road you use homegroup you will need to enable it.
Thank you. Useful info.
My System SpecsSystem Spec
Reply

 Windows outbound firewall implementation




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