Re: Websurfing trouble to .gov and .il.us

2018-03-13 Thread valdis . kletnieks
On Mon, 12 Mar 2018 17:44:47 -, Sam Kretchmer said: > I am part of a small ISP based in Chicago. We have several clients > complaining of an inability to hit a couple specific government websites, > specifically http://tierii.iema.state.il.us/TIER2MANAGER/Account/Login.aspx > and >

Re: Websurfing trouble to .gov and .il.us

2018-03-13 Thread lists
On Mon, Mar 12, 2018, at 10:44 AM, Sam Kretchmer wrote: > IP's they use, specifically parts of 213.159.132/22. They can surf any This block appears to have shifted over from RIPE into ARIN space. I've seen a few firewalls and filtering systems that block countries or block

Re: Websurfing trouble to .gov and .il.us

2018-03-13 Thread Stephen Satchell
On 03/12/2018 10:44 AM, Sam Kretchmer wrote: specifically http://tierii.iema.state.il.us/TIER2MANAGER/Account/Login.aspx andhttps://www.deadiversion.usdoj.gov/. Wireshark? It could be a problem with the sides having an infinite referral loop. It doesn't necessarily have to be a network

Re: Websurfing trouble to .gov and .il.us

2018-03-13 Thread William Herrin
On Mon, Mar 12, 2018 at 1:44 PM, Sam Kretchmer wrote: > We have several clients complaining of an inability to hit a couple specific > government websites, Hi Sam, Some basic troubleshooting: 1. traceroute? TCP traceroute? 2. From an affected address, do you get a TCP

Websurfing trouble to .gov and .il.us

2018-03-13 Thread Sam Kretchmer
Nanog, I am part of a small ISP based in Chicago. We have several clients complaining of an inability to hit a couple specific government websites, specifically http://tierii.iema.state.il.us/TIER2MANAGER/Account/Login.aspx and https://www.deadiversion.usdoj.gov/. It does seem to be related to