Tech Tips From a NYC System Administrator
Was playing around with Microsoft 365, got an E3 account for myself. I had set up MFA for obvious reasons. I set up my Exchange mailbox and was trying to add the account to my Thunderbird client. First step was to create an “app” password. You need an app password because Thunderbird doesn’t play nice…
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Severe/Critical vulnerability in Windows DNS. Severe enough that DHS CISA is classifying it a level 10 (out of 10). A quick workaround is mentioned in the Microsoft link below: To work around this vulnerability, make the following registry change to restrict the size of the largest inbound TCP-based DNS response packet that’s allowed: Subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Parameters Value: TcpReceivePacketSize Type: DWORD Value data: 0xFF00…
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I use Linux Mint on Windows using Virtual Box, mainly to use as a sandboxed OS for security testing email attachments, links, and websites. Easy to take a snapshot and revert if I fubar it. I wanted to create a shared folder between host Operating System and Guest Operating system so i can pass along…
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So with all this coronavirus stay-the-heck-home lockdowns, being cooped up at home all day, I decided to come back to my blog… I figured now would be a good time to do and document a nice project that I’ve been wanting to do for some time. I’d like to be able to run an…
I ran Koken as a photo gallery for my personal website under a Godaddy hosting. Worked well. But at some point I decided I needed my own “external” server for troubleshooting purposes, to help with my day-to-day System Admin job. Something outside of our corporate network so I can see if things are accessible from…
Read More “Koken – API Error. The theme is not able to make contact with your Koken installation.” »
Installed WordPress for a client, they wanted a particular theme. The theme has some sort of Server Health page which showed the Max_Input_Vars was set to 1000 and it was recommending to go higher. I searched hi and lo for how to change it. All the websites I hit said add a php.ini with the…
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Problem: Had a user who was sending attachments (in this case they were MS Word documents with a .doc extension) through Outlook 2010. Some (not all) external recipients who were on Outlook Office 365 were receiving the attachments as .BIN files: Solution: On the Exchange server, for Remote Domains, tell it never to use RTF:
I came across a situation where a vendor wanted logs files from a server at around 2am in the morning to troubleshoot why an application wasn’t sending a specific email at that time. Problem was, I wasn’t planning on being up at that early in the morning to grab log files and I didn’t know…
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Problem: In IE8, when you click to Tools –> Manage Add-Ons, Internet Explorer crashes with a Data Execution Prevention error. Symptoms: Application Event Logs show Event ID 1000 – Faulting Application iexplore.exe I tried reinstalling IE8, but that did not help Solution: For me, the problem was due to a faulty ActiveX control or Java…
Problem: Internet Explorer 8 won’t remember the user’s password information for a website Symptoms: User starts IE8, types in “salesforce” in the address bar, which automatically brings him to to Salesforce.com. He clicks on the Login link, enters his Username and Password, checks off the box that says “Remember User Name”, and goes about his…
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