Port Filtering

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Zepanda66

79 posts

Master Geek
+1 received by user: 15

Topic # 240940 3-Oct-2018 13:14

Is this new?

I just noticed this in my account under the family filter.

https://help.slingshot.co.nz/hc/en-us/articles/360005168434-Port-Filtering

Slingshot

1002 posts

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Slingshot

Reply # 2100784 3-Oct-2018 13:58

One person supports this post

Hi there,

Yep this has just been implemented. Filtering is turned on by default but can be turned off if need be via MySlingshot

Cheers!

www.slingshot.co.nz

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quentinreade

304 posts

Ultimate Geek
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Vocus

Reply # 2100785 3-Oct-2018 13:58

EDIT: Already answered ^^

Head of Brand and Communications
Vocus NZ
[Slingshot, Orcon and Flip]

44 posts

Geek
+1 received by user: 1

Reply # 2108977 16-Oct-2018 16:42

So thats why access to my home server stopped working..... Been puzzling me for a few days

Nice idea to keep the cruft off my (very low bandwidth) inbound connection.

Any way to block all ports except just 443 ?

hio77

'That VDSL Cat'
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Spark

Subscriber

Reply # 2108980 16-Oct-2018 16:45

Blocking HTTP/S, FTP and SSH? that's an interesting one...

#include <std_disclaimer>

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

kyhwana2

2452 posts

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Reply # 2109057 16-Oct-2018 18:34

One person supports this post

hio77:
Blocking HTTP/S, FTP and SSH? that's an interesting one...

the HTTP/S and SSH ones will be to stop the various DVR/webcam/plex/NASes/router's that people keep putting on the internet with no/crap passwords or leaving them unpatched, from getting owned.

I don't think you can unblock just particular ports on Vocus ISPs, it's all or nothing. You should be firewalling the rest of your stuff yourself if you want a particular port open to the internet!

From a security perspective this default blocking is a great thing. There are a lot of compromised CPE's/IoT devices/etc around, even in NZ that send out spam/MITM your traffic/are used to DDoS people and compromise other peoples stuff..