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Blocking incoming connections from IP in windows XP


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I have a request to block any incoming connections from a block of IP addresses but they would like to leave the outgoing traffic alone (no block). Is there a way to do this in Windows XP? The Windows Firewall does not seem to be able to do this as far as I can tell, and I tried setting a local ip security policy (secpol.exe) to block this IP range but it blocks in both directions. This would be internal to the local network and the outgoing packets will be UDP so I do not need to worry about packet acknoledgement. Does anyone have any suggestions?



Thanks!










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bumped to the homepage by Community 10 mins ago


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  • OP, whats your service pack version? windows firewall was introduced with SP2, and is inbound only. @Ramhound: XP was popular before home routers/NAT gateways became ubiquitous, and it also loaded many network accessible services by default, so a box on an open internet connection was very vulnerable straight out of the box. MS has made great strides in making their default OOB settings safer over the last decade, by hardening their IP stack and leaving network accessible service off unless explicitly enabled. It sometimes suprises me how far we've come (...makes me feel old...).

    – Frank Thomas
    Sep 26 '13 at 16:16








  • 1





    @FrankThomas - I am very familar with Windows Firewall and it was designed to solve a specific problem that was popular ( basically port attacks on open ports ) at the time. My comment is also incomplete by mistake so I will just delete it. It was suppose to say "...does not have the ability to blocking incoming traffic but allow outgoing traffic ... then you will require more advanced security software"

    – Ramhound
    Sep 26 '13 at 16:23













  • If you block all traffic coming in from an IP then you can't communicate with that IP (in or out), as you won't get the answers/acknowledgments to your requests.

    – Ƭᴇcʜιᴇ007
    Sep 26 '13 at 16:33













  • This is Service Pack 2. techie007 makes a good point although the outgoing traffic to this IP would be UDP so I don't need acknowledgements (As far as I know). Although that would explain why I wasn't able to ping that IP once I blocked the incoming traffic...

    – William MacDonald
    Sep 26 '13 at 16:45











  • @techie007 - Exactly. Which is the reason its a strange to attempt to do that.

    – Ramhound
    Sep 26 '13 at 17:05
















1















I have a request to block any incoming connections from a block of IP addresses but they would like to leave the outgoing traffic alone (no block). Is there a way to do this in Windows XP? The Windows Firewall does not seem to be able to do this as far as I can tell, and I tried setting a local ip security policy (secpol.exe) to block this IP range but it blocks in both directions. This would be internal to the local network and the outgoing packets will be UDP so I do not need to worry about packet acknoledgement. Does anyone have any suggestions?



Thanks!










share|improve this question
















bumped to the homepage by Community 10 mins ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
















  • OP, whats your service pack version? windows firewall was introduced with SP2, and is inbound only. @Ramhound: XP was popular before home routers/NAT gateways became ubiquitous, and it also loaded many network accessible services by default, so a box on an open internet connection was very vulnerable straight out of the box. MS has made great strides in making their default OOB settings safer over the last decade, by hardening their IP stack and leaving network accessible service off unless explicitly enabled. It sometimes suprises me how far we've come (...makes me feel old...).

    – Frank Thomas
    Sep 26 '13 at 16:16








  • 1





    @FrankThomas - I am very familar with Windows Firewall and it was designed to solve a specific problem that was popular ( basically port attacks on open ports ) at the time. My comment is also incomplete by mistake so I will just delete it. It was suppose to say "...does not have the ability to blocking incoming traffic but allow outgoing traffic ... then you will require more advanced security software"

    – Ramhound
    Sep 26 '13 at 16:23













  • If you block all traffic coming in from an IP then you can't communicate with that IP (in or out), as you won't get the answers/acknowledgments to your requests.

    – Ƭᴇcʜιᴇ007
    Sep 26 '13 at 16:33













  • This is Service Pack 2. techie007 makes a good point although the outgoing traffic to this IP would be UDP so I don't need acknowledgements (As far as I know). Although that would explain why I wasn't able to ping that IP once I blocked the incoming traffic...

    – William MacDonald
    Sep 26 '13 at 16:45











  • @techie007 - Exactly. Which is the reason its a strange to attempt to do that.

    – Ramhound
    Sep 26 '13 at 17:05














1












1








1








I have a request to block any incoming connections from a block of IP addresses but they would like to leave the outgoing traffic alone (no block). Is there a way to do this in Windows XP? The Windows Firewall does not seem to be able to do this as far as I can tell, and I tried setting a local ip security policy (secpol.exe) to block this IP range but it blocks in both directions. This would be internal to the local network and the outgoing packets will be UDP so I do not need to worry about packet acknoledgement. Does anyone have any suggestions?



Thanks!










share|improve this question
















I have a request to block any incoming connections from a block of IP addresses but they would like to leave the outgoing traffic alone (no block). Is there a way to do this in Windows XP? The Windows Firewall does not seem to be able to do this as far as I can tell, and I tried setting a local ip security policy (secpol.exe) to block this IP range but it blocks in both directions. This would be internal to the local network and the outgoing packets will be UDP so I do not need to worry about packet acknoledgement. Does anyone have any suggestions?



Thanks!







firewall ip security-policy






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Sep 26 '13 at 17:13







William MacDonald

















asked Sep 26 '13 at 15:52









William MacDonaldWilliam MacDonald

64




64





bumped to the homepage by Community 10 mins ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







bumped to the homepage by Community 10 mins ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.















  • OP, whats your service pack version? windows firewall was introduced with SP2, and is inbound only. @Ramhound: XP was popular before home routers/NAT gateways became ubiquitous, and it also loaded many network accessible services by default, so a box on an open internet connection was very vulnerable straight out of the box. MS has made great strides in making their default OOB settings safer over the last decade, by hardening their IP stack and leaving network accessible service off unless explicitly enabled. It sometimes suprises me how far we've come (...makes me feel old...).

    – Frank Thomas
    Sep 26 '13 at 16:16








  • 1





    @FrankThomas - I am very familar with Windows Firewall and it was designed to solve a specific problem that was popular ( basically port attacks on open ports ) at the time. My comment is also incomplete by mistake so I will just delete it. It was suppose to say "...does not have the ability to blocking incoming traffic but allow outgoing traffic ... then you will require more advanced security software"

    – Ramhound
    Sep 26 '13 at 16:23













  • If you block all traffic coming in from an IP then you can't communicate with that IP (in or out), as you won't get the answers/acknowledgments to your requests.

    – Ƭᴇcʜιᴇ007
    Sep 26 '13 at 16:33













  • This is Service Pack 2. techie007 makes a good point although the outgoing traffic to this IP would be UDP so I don't need acknowledgements (As far as I know). Although that would explain why I wasn't able to ping that IP once I blocked the incoming traffic...

    – William MacDonald
    Sep 26 '13 at 16:45











  • @techie007 - Exactly. Which is the reason its a strange to attempt to do that.

    – Ramhound
    Sep 26 '13 at 17:05



















  • OP, whats your service pack version? windows firewall was introduced with SP2, and is inbound only. @Ramhound: XP was popular before home routers/NAT gateways became ubiquitous, and it also loaded many network accessible services by default, so a box on an open internet connection was very vulnerable straight out of the box. MS has made great strides in making their default OOB settings safer over the last decade, by hardening their IP stack and leaving network accessible service off unless explicitly enabled. It sometimes suprises me how far we've come (...makes me feel old...).

    – Frank Thomas
    Sep 26 '13 at 16:16








  • 1





    @FrankThomas - I am very familar with Windows Firewall and it was designed to solve a specific problem that was popular ( basically port attacks on open ports ) at the time. My comment is also incomplete by mistake so I will just delete it. It was suppose to say "...does not have the ability to blocking incoming traffic but allow outgoing traffic ... then you will require more advanced security software"

    – Ramhound
    Sep 26 '13 at 16:23













  • If you block all traffic coming in from an IP then you can't communicate with that IP (in or out), as you won't get the answers/acknowledgments to your requests.

    – Ƭᴇcʜιᴇ007
    Sep 26 '13 at 16:33













  • This is Service Pack 2. techie007 makes a good point although the outgoing traffic to this IP would be UDP so I don't need acknowledgements (As far as I know). Although that would explain why I wasn't able to ping that IP once I blocked the incoming traffic...

    – William MacDonald
    Sep 26 '13 at 16:45











  • @techie007 - Exactly. Which is the reason its a strange to attempt to do that.

    – Ramhound
    Sep 26 '13 at 17:05

















OP, whats your service pack version? windows firewall was introduced with SP2, and is inbound only. @Ramhound: XP was popular before home routers/NAT gateways became ubiquitous, and it also loaded many network accessible services by default, so a box on an open internet connection was very vulnerable straight out of the box. MS has made great strides in making their default OOB settings safer over the last decade, by hardening their IP stack and leaving network accessible service off unless explicitly enabled. It sometimes suprises me how far we've come (...makes me feel old...).

– Frank Thomas
Sep 26 '13 at 16:16







OP, whats your service pack version? windows firewall was introduced with SP2, and is inbound only. @Ramhound: XP was popular before home routers/NAT gateways became ubiquitous, and it also loaded many network accessible services by default, so a box on an open internet connection was very vulnerable straight out of the box. MS has made great strides in making their default OOB settings safer over the last decade, by hardening their IP stack and leaving network accessible service off unless explicitly enabled. It sometimes suprises me how far we've come (...makes me feel old...).

– Frank Thomas
Sep 26 '13 at 16:16






1




1





@FrankThomas - I am very familar with Windows Firewall and it was designed to solve a specific problem that was popular ( basically port attacks on open ports ) at the time. My comment is also incomplete by mistake so I will just delete it. It was suppose to say "...does not have the ability to blocking incoming traffic but allow outgoing traffic ... then you will require more advanced security software"

– Ramhound
Sep 26 '13 at 16:23







@FrankThomas - I am very familar with Windows Firewall and it was designed to solve a specific problem that was popular ( basically port attacks on open ports ) at the time. My comment is also incomplete by mistake so I will just delete it. It was suppose to say "...does not have the ability to blocking incoming traffic but allow outgoing traffic ... then you will require more advanced security software"

– Ramhound
Sep 26 '13 at 16:23















If you block all traffic coming in from an IP then you can't communicate with that IP (in or out), as you won't get the answers/acknowledgments to your requests.

– Ƭᴇcʜιᴇ007
Sep 26 '13 at 16:33







If you block all traffic coming in from an IP then you can't communicate with that IP (in or out), as you won't get the answers/acknowledgments to your requests.

– Ƭᴇcʜιᴇ007
Sep 26 '13 at 16:33















This is Service Pack 2. techie007 makes a good point although the outgoing traffic to this IP would be UDP so I don't need acknowledgements (As far as I know). Although that would explain why I wasn't able to ping that IP once I blocked the incoming traffic...

– William MacDonald
Sep 26 '13 at 16:45





This is Service Pack 2. techie007 makes a good point although the outgoing traffic to this IP would be UDP so I don't need acknowledgements (As far as I know). Although that would explain why I wasn't able to ping that IP once I blocked the incoming traffic...

– William MacDonald
Sep 26 '13 at 16:45













@techie007 - Exactly. Which is the reason its a strange to attempt to do that.

– Ramhound
Sep 26 '13 at 17:05





@techie007 - Exactly. Which is the reason its a strange to attempt to do that.

– Ramhound
Sep 26 '13 at 17:05










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You could use PeerBlock. It's a program that lets you block specific IPs. I used it for various gaming servers when I wanted to get rid of the user.






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    You could use PeerBlock. It's a program that lets you block specific IPs. I used it for various gaming servers when I wanted to get rid of the user.






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      0














      You could use PeerBlock. It's a program that lets you block specific IPs. I used it for various gaming servers when I wanted to get rid of the user.






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        You could use PeerBlock. It's a program that lets you block specific IPs. I used it for various gaming servers when I wanted to get rid of the user.






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        You could use PeerBlock. It's a program that lets you block specific IPs. I used it for various gaming servers when I wanted to get rid of the user.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Sep 26 '13 at 17:00









        VladVlad

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