Plusnet Safeguard is blocking updates for Android phones from ota.googlezip.net
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Plusnet Safeguard is blocking updates for Android phones from ota.googlezip.net
20-01-2022 8:18 PM
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My pixel phone running Android wants to receive its updates from ota.googlezip.net
However Plusnet Safeguard is blocking this domain meaning no Android phones are receiving updates
# dig +nostats ota.googlezip.net @213.120.234.42
; <<>> DiG 9.11.5-P4-5.1+deb10u6-Debian <<>> +nostats ota.googlezip.net @213.120.234.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1942
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;ota.googlezip.net. IN A
;; ANSWER SECTION:
ota.googlezip.net. 27 IN A 81.130.111.239
# dig +nostats ota.googlezip.net @213.120.234.42
; <<>> DiG 9.11.5-P4-5.1+deb10u6-Debian <<>> +nostats ota.googlezip.net @213.120.234.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23130
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;ota.googlezip.net. IN A
;; ANSWER SECTION:
ota.googlezip.net. 30 IN A 81.130.111.239
Wheras the non safeguard DNS servers are giving the correct (unblocked) address
# dig +nostats ota.googlezip.net @212.159.13.49
; <<>> DiG 9.11.5-P4-5.1+deb10u6-Debian <<>> +nostats ota.googlezip.net @212.159.13.49
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30263
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;ota.googlezip.net. IN A
;; ANSWER SECTION:
ota.googlezip.net. 32473 IN A 216.239.32.112
Please can you fix?
Thanks
Re: Plusnet Safeguard is blocking updates for Android phones from ota.googlezip.net
20-01-2022 8:27 PM
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In order to make updates work for my phone I needed to unblock these two websites
- ota.googlezip.net
- ota-cache1.googlezip.net
It seems the whole *.googlezip.net domain is blocked
Re: Plusnet Safeguard is blocking updates for Android phones from ota.googlezip.net
20-01-2022 10:48 PM
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I wonder if it's something to do with Chrome's Data Saver feature which I believe proxies web traffic through the domain compress.googlezip.net.
Obviously, a content filter like Safeguard is going to discrimninate against proxy server addresses and 'rightfully' block them. Perhaps the OTA's are getting inadvertently wrapped up in this?
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: Plusnet Safeguard is blocking updates for Android phones from ota.googlezip.net
25-01-2022 3:23 PM
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Yes, I think you are right.
The Safeguard blocking needs to be a bit more focussed and just block `compress.googlezip.net` and not `*.googlezip.net` which it does at the moment which blocks the OTA updates.
It probably needs to block `check.googlezip.net` and `proxy.googlezip.net` too according to a few minutes of web searching.
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