Community discussions

 
user8FJHFKFG8
newbie
Topic Author
Posts: 28
Joined: Mon Jun 18, 2018 8:51 am

Chinese IP Cameras

Sun Sep 02, 2018 10:59 am

I created a few IPs (a /28) in my DHCP range which I have set aside for IP Cameras (Hikvision, Dahua etc),
then, I made a firewall rule for these IPs
add action=drop chain=forward comment="No Outside Access" dst-address=!192.168.0.0/16 src-address=192.168.110.128/28
I have noticed a lot of attempts to connect to a few various Chinese based IPs (not DNS requests) after implementing this. I'm hoping this rule will be enough to keep my LAN safe from whatever chatter is going on
 
Sob
Forum Guru
Forum Guru
Posts: 4619
Joined: Mon Apr 20, 2009 9:11 pm

Re: Chinese IP Cameras

Sun Sep 02, 2018 3:15 pm

Sounds like something I'd really love to have in my network. ;) Maybe in VLAN, completely isolated from everything else.
People who quote full posts should be spanked with ethernet cable. Some exceptions for multi-topic threads may apply.
 
mkx
Forum Guru
Forum Guru
Posts: 2917
Joined: Thu Mar 03, 2016 10:23 pm

Re: Chinese IP Cameras

Sun Sep 02, 2018 3:35 pm

What happens is those devices are served with DHCP assignment without defining a gateway?
BR,
Metod
 
jboban
just joined
Posts: 10
Joined: Wed Nov 24, 2010 2:27 am

Re: Chinese IP Cameras

Sun Sep 02, 2018 5:11 pm

Without gateway they will not going outside.
 
User avatar
CZFan
Forum Guru
Forum Guru
Posts: 1392
Joined: Sun Oct 09, 2016 8:25 pm
Location: South Africa, Randburg
Contact:

Re: Chinese IP Cameras

Sun Sep 02, 2018 9:20 pm

A lot of these Chinese IP Camera use P2P networking to their "cloud based" server to view from anywhere, I will tread very careful providing access to my LAN and Internet for these
MTCNA, MTCTCE, MTCRE & MTCINE
 
mkx
Forum Guru
Forum Guru
Posts: 2917
Joined: Thu Mar 03, 2016 10:23 pm

Re: Chinese IP Cameras

Sun Sep 02, 2018 11:02 pm

Without gateway they will not going outside.
In theory yes. I'd be interested to see somebody verify that. And to verify that they still function properly if connected from within same LAN segment.
BR,
Metod
 
user8FJHFKFG8
newbie
Topic Author
Posts: 28
Joined: Mon Jun 18, 2018 8:51 am

Re: Chinese IP Cameras

Mon Sep 03, 2018 2:07 am

Without gateway they will not going outside.
In theory yes. I'd be interested to see somebody verify that. And to verify that they still function properly if connected from within same LAN segment.
Yea I was thinking they may not pull a DHCP address without a gateway, I plugged in an 'Anpvis' IP camera where that seemed to be the case..

I'm not sure running a VLAN through my LAN would do anything? That would just be a different port on my router, going to the same unmanaged switch?
 
user8FJHFKFG8
newbie
Topic Author
Posts: 28
Joined: Mon Jun 18, 2018 8:51 am

Re: Chinese IP Cameras

Mon Sep 03, 2018 2:08 am

Sounds like something I'd really love to have in my network. ;) Maybe in VLAN, completely isolated from everything else.
The worst part was how long I didn't have this rule :shock: even though I know I should have..
 
User avatar
k6ccc
Member
Member
Posts: 479
Joined: Fri May 13, 2016 12:01 am
Location: Glendora, CA, USA (near Los Angeles)

Re: Chinese IP Cameras

Mon Sep 03, 2018 5:27 am

I also have a bunch of Chinese cameras at home. I created a dedicated VLAN for them that is firewalled so that they can get to the internet (required for remote viewing), and nothing else on my home networks.
RB750Gr3, RB750r2, CRS326-24G-2S (in SwitchOS), CSS326-24G-2S, CSS106-5G-1S, RB260GS
Not sure if I beat them in submission, or they beat me into submission


Jim
 
whitbread
Member Candidate
Member Candidate
Posts: 108
Joined: Fri Nov 08, 2013 9:55 pm

Re: Chinese IP Cameras

Mon Sep 03, 2018 9:25 am

Do not forget to route them through anonymous proxy or gateway.

Or use onvif cameras together with your nas and stop those cameras' outbound communication at all.

Btw - same applies for all IoT devices (including Win10 computers)!

Who is online

Users browsing this forum: Google [Bot], MSN [Bot] and 12 guests