Author Archives: thecomputerperson

ipr-protection.com and ipr-protection.org spam.

A customer received the following spam today: From: IPR Protection info@ipr-protection.comSent: 13 March 2023 RE:DACTo: REDACTEDSubject: Trademark registration for REDACTED Dear Sir/Madam, Yesterday we received an application for the trademark registration of REDACTED. This application was not filed by you … Continue reading

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Fake Bitcoin investment sites: swancoins.net, orchidcoin.net, lidocoin.net etc.

These sites are unusual. They are spread by unsolicited emails claiming to be updates to an account or someone who needs to recover an account. It gives a username and a password. The username isn’t unique. When you sign in … Continue reading

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NReco.PdfGenerator “Exit with code 1 due to network error: ContentAccessDenied”

Took me ages to work this one out. HtmlToPdfConverter.GeneratePdf causes the error mentioned in the title. Looking at the iis trace in process monitor produced no mention of it attempting to access anything at all. A few years ago someone … Continue reading

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Required OpenVPN modifications for Grandstream phones.

Just for my future reference as normal.. Using a standard setup from this script: https://github.com/angristan/openvpn-install Comment out the tls-crypt line add a log line: log /var/log/openvpn/log.log Turn off LZO on phone. Configure, then reboot phone.

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Asterisk PBX: Using TimeZones in GotoIfTime

Asterisk VoIP PBX allows you to setup your dialplan to route calls to different places depending on the time of day. I setup a system in the UK which has British summer time / daylight savings time. (BST). The documentation … Continue reading

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Asterisk PBX: Enable beep on call transfer.

I always find this difficult to google for.. so just to save me time in the future: The __ at the beginning means the variable inherits multiple levels on calls or processes spawned by the dialplan. For more information on … Continue reading

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Electronics goods scam, 2022 version

It has been a while, I’ve previously written about similar scams in 2021 and earlier.I stopped being able to find active sites towards the end of 2021 and, sadly, lost interest in checking after a while.A recent comment on that … Continue reading

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How to make Speedify use multiple gateways on linux

This has been tested on a virtual guest with multiple virtual adaptors provided by the host (no vlans). It may work with linux virtual adapters (e.g. ens10:1) too but untested. Default adaptor and gateway are as normal. No changes required. … Continue reading

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Webmin not updating Debian firewall.

This is again mainly for my own reference. If you are stuck in “I don’t like CLI” land – like I am sometimes – this is how you get Webmin configured iptables rules to apply if the GUI isn’t applying … Continue reading

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Gaining full root access to the Hyperoptic ZTE ZXHN H298A

Here I will go through the rough and very technical steps to gain root access to this router. Beware – it is very technical, needs a working GenieACS server and a DHCP server which allows you to set an Option … Continue reading

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