Cannot access some web sites

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I'm a Reliable Contributor
Posts: 115

Cannot access some web sites

Discovered this morning that some web sites cannot be reached. However, if I fire up my VPN all is fine.

I have rebooted my laptop and the Ignite modem, but no difference.Anyone experiencing this?

An example:

1. No VPN running

C:\>ping grc.com
Ping request could not find host grc.com. Please check the name and try again.

C:\>

 

2. With VPN active

C:\>ping grc.com

Pinging grc.com [4.79.142.200] with 32 bytes of data:
Reply from 4.79.142.200: bytes=32 time=114ms TTL=241
Reply from 4.79.142.200: bytes=32 time=208ms TTL=241
Reply from 4.79.142.200: bytes=32 time=217ms TTL=241
Reply from 4.79.142.200: bytes=32 time=215ms TTL=241

Ping statistics for 4.79.142.200:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 114ms, Maximum = 217ms, Average = 188ms

C:\>

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I'm a Reliable Contributor
Posts: 115

Re: Cannot access some web sites


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Resident Expert
Resident Expert
Posts: 1,289

Re: Cannot access some web sites

@Bplayer  Could this be related to recent issues brought up in this thread?  Ignite Parental Controls and Protected Browsing use DNS to restrict network access.  Using a VPN will bypass all of those protections.

 

Protected Browsing has also been known to cause strange connectivity problems sometimes, especially when it blocks access to non-malicious sites or blocks access to 3rd-party domains that a site relies on.  Do you have it enabled in the Ignite WiFi Hub?

 

If the Ignite Gateway is blocking sites even when Parental Controls and Protected Browsing are disabled, that's a bigger problem.



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I'm a Reliable Contributor
Posts: 115

Re: Cannot access some web sites

Parental Controls and Protected Browsing have always been disabled here.

It is strange as most sites are available, except for two. One is US and the other in UK:
grc.com

bbc.co.uk

Looks like the DNS is messed up.

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Resident Expert
Resident Expert
Posts: 1,289

Re: Cannot access some web sites


@Bplayer wrote:

Parental Controls and Protected Browsing have always been disabled here.

It is strange as most sites are available, except for two. One is US and the other in UK:
grc.com

bbc.co.uk

Looks like the DNS is messed up.


Yup, but grc.com also fails to resolve using other servers, not just the Rogers DNS server:

 

$ nslookup
> server 8.8.8.8
Default server: 8.8.8.8
Address: 8.8.8.8#53
> grc.com
Server: 8.8.8.8
Address: 8.8.8.8#53

** server can't find grc.com: SERVFAIL
> server 9.9.9.9
Default server: 9.9.9.9
Address: 9.9.9.9#53
> grc.com
Server: 9.9.9.9
Address: 9.9.9.9#53

** server can't find grc.com: SERVFAIL
> server 1.1.1.1
Default server: 1.1.1.1
Address: 1.1.1.1#53
> grc.com
Server: 1.1.1.1
Address: 1.1.1.1#53

Non-authoritative answer:
Name: grc.com
Address: 4.79.142.200
> server 64.71.255.204
Default server: 64.71.255.204
Address: 64.71.255.204#53
> grc.com
Server: 64.71.255.204
Address: 64.71.255.204#53

** server can't find grc.com: SERVFAIL
>



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I'm a Reliable Contributor
Posts: 115

Re: Cannot access some web sites