Port Filtering

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Zepanda66

53 posts

Master Geek
+1 received by user: 10

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

1001 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!

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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
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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

2445 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..