linuxgemini's space of text

I talk about software and more. Sometimes in English, bazen de Türkçe.

Inspired by Kenneth Finnegan's awesome NTP server on a Raspberry Pi blog post, I wanted to build a StratumOne NTP server for my local network as well.

I just didn't know how, though.

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I started to work at Trendyol, one of the largest e-commerce companies in Turkey, at March 17th (2021) and it's...

...so bizzare to me still.

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Endpoint: https://pttws.ptt.gov.tr/cepptt/mssnvrPttaceaemaa/gonderitakipvepostakod/gonderisorguYurticiveYurtDisi

Request Method: GET

Query Strings

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Needed:

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Warning: This method requires to have the paid version of Google Workspace. And you probably shouldn't have other users in your Google Workspace while using this.

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tl;dr Unobfuscated Compiled Java APIs = Jackpot

Now that Ave wrote about TCKK, its time to talk about my side of things.

I was able to sniff out my TCKK certificate back in 2017 but haven't gotten much deeper ever since.

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Seriously though.

I am known for writing cursed JavaScript applets but this one, went above my own charts.

So, lets glance over this curse.

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It occured to me while watching the Sega Mega Drive/Genesis demo Overdrive by the demo/art group TiTAN, while I was always amazed with the audiovisual work, this exact moment on the demo gets me thrilling every single time (timestamped embed):

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(I started writing this at the beginning of May 2020, and probably finalizing near July; so yeah be warned.)

Ever since I released my writeup about the (in)security of Türk Telekom's home gateway management, the VoIP config I found stuck in my head.

This led to many attempts to create a large home phone system. I failed hard. However in the process of doing that, I learned how cursed SIP services are and even got a free Cisco IP Phone from an ISP contact.

SIP Trunking not working with...correct data?

SIP servers/gateways never completely follow the actual standards guiding the protocol.

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So, I finally made a blog. I have to thank Ave for introducing Writefreely to me.



Copyright 2018-2021, linuxgemini (İlteriş Yağıztegin Eroğlu). Any and all opinions listed here are my own and not representative of my employers; future, past and present.