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The socat solution is merely an alternative one can use. No harm in it. Nothing to fear. Enough said, except that the nohup with '&' might not be necessary when using socat due to it may perform that functionality on its own.

So I just looked again into VPN. As I understand it, I would become dependent on yet another third party and their limitations and their future decisions for every single freaking packet. ABSOLUTELY AGAINST MY DESIRE FOR INDEPENDENCE AND SIMPLICITY! Enough said. I'm the one who has to...

No VPN needed for me, like I say. You're the one who said you had "no idea" in your last post, remember? I'm not at all curious.

Oh I'm quite happy the way things are with the socat line. Just went all night long with all four cameras streaming to me over the internet, a happy milestone! I have a very plausible explanation and have no reason to question it. It is not all that easy to firewall off Communist Momma...

I do receive your kind sentiments. Thank you!

I can talk in terms of any scripting language you're familiar with. Just show me some code that taps into the alerts the cams send to an NVR.

You haven't given me enough context about your setup to continue here.

This ONVIF is all new since I installed the cams for their first existence. Not that it didn't exist at all, but it just wasn't a front and center thing back then. How would bash scripting interface to the event detections? That would be a very good thing for me to learn.

I'm learning from you. Let's compare our setups. Mine is a headless (CLI) Linux re-purposed server with one of the interfaces connected to the Internet - a ISP-owned cable modem that puts an external IP address on the server. The other interface is intranet centered around a simple...

The way you see this is: DON'T allow your cameras to contact momma, request an rtsp connection DIRECTLY between it and an external IP address. When the camera realizes it is being asked to stream to an external address but can't communicate with COMMUNIST MOMMA COMPANY, it enforces the EVIL 5...

The 300 in the socat command was arbitrarily chosen by me. I see now that it lends itself to getting confused with the evil 5 minute Hikvision rtsp stream time limit. My bad for the confusion.

Yes, you have the main point there!!!!!!!

Oh but they sure do with plain port forwarding or even DNAT, the old ones, at least. They've always timed out for me at 4:59, 5:00 or 5:01. Now I am so smiling to be free from that.

Do a google search on "hikvision 5 minute". It seems to be meant to pressure users into buying Hikvision NVR products.

I have multiple users in the family, each needs flexibility to use the device best suited for the moment, and everyone but me has no patience for setup. Setup is done transparently by an Android app called Onvifer. It knocks ports on launch, and my system uses the knocking to whitelist their...

It was the probing traffic that really got me riled up to make a tight firewall. I'm not a company that needs to be worried about sniffers. A "foothold" would have to be made by being able to receive traffic they initiate from my system, not just sniff it. Receiving initiated traffic from my...

I'm guessing that the only people affected are those who tightly firewall their systems and have no other reason to run a VPN. My newest camera is a HIKVISION 4MP DS-2CD2345FWD-I DARKFIGHTER. (I know VPNs are all the rage, but I've never felt the need for one. [I emphasize the word "felt".]...

If your newer model Hikvision camera won't let you connect from remote over the Internet into a Linux [homemade NVR] server, maybe because you've firewalled prober IP addresses, or for some other reason you restrict your camera's access to the Internet - I added a fifth brand new Hikvision...

I could never bring myself to buy an NVR. But that's because I am capable of developing my own, given an obsolete server like my son gave me when his company quit needing them. I just install a couple of 2TB hard drives on a two-interface server, Ubuntu Server OS (any Linux variety can be made...

I feel cheated that I didn't get a bouncy one. At least it still works. Couldn't pull up "29.5mm glass watch crystal" on ebay, looking elsewhere.... EDIT - NOW I see them....

Sure. But in the learning, the end user has far more likely lost what was important than had the opposite approach been used by Zoneminder developers - have the default settings tend to produce false alarms rather than croak completely.

What turned me off about Zoneminder about 5 years ago was the windowed/slotted detection settings. When I was most interested in retrieving the video of something that triggered a detection, the intruder never got recorded. My guess is that the ratio of changes was higher than the high limit...

OK, I feel better now.

Until I saw this post, I was thinking well toward Amcrest cameras. Not any more! Anything tied to Microsoft or Apple is out for me. No one gives me money, so I don't use non-free OS's and software.

The step-by-step guide begins be saying "Create a folder on the local drive of your Windows PC". Is that implying that Linux PCs won't work? I only have Linux.

Very valuable info, there. Thank you so much! I'll run through all your tips now...I mean "next". It may be a while....

# nmap -p23 192.0.0.64 Starting Nmap 7.01 ( Nmap: the Network Mapper - Free Security Scanner ) at 2018-01-15 09:57 CST Stats: 0:00:00 elapsed; 0 hosts completed (1 up), 1 undergoing SYN Stealth Scan SYN Stealth Scan Timing: About 50.00% done; ETC: 09:57 (0:00:00 remaining) Nmap scan report for...

Fails like this: # telnet 192.0.0.64 Trying 192.0.0.64... telnet: Unable to connect to remote host: No route to host My settings appear just fine, as shown below: ifconfig output: # ifconfig eno1 Link encap:Ethernet HWaddr 00:26:b9:ef:57:dd inet addr:192.0.0.128...

Trying to connect 10-base-100 direct to cameras (2) which got bricked trying to upgrade firmware. I've read that the connection must be through a switch or router, etc. b/c a x-over cable connection won't work. My problem is that I already tried the firmware upload with a direct connection and...