The ramblings of a computer geek
Had an issue where we had a client that couldn’t access a particular site, in this case we wanted to determine what encryption ciphers a particular website was offering on its HTTPS server, SSLScan which is a Linux tool available on Ubuntu and other distributions can help, for example:
More...Recently Broadcom have moved all VMware customers over to their support portal. Broadcom have a “Site ID” for each customer, so they created one for everyone migrated from VMware. The missing bit was how you get that Site ID, you need this so you can request access to your support and product entitlements. Step 1 […]
More...Although you shouldn’t be working around certificates which are very old or no longer meet modern standards e.g. TLS 1.3 etc. if like me you need to access something using TLS 1, you can use Firefox and change the configuration. Use the URL: about:config Then set: security.tls.version.min (from 2/3 to 1), then attempt to access […]
More...IPerf is a tool that can be used to measure the bandwidth and quality of a network link. Its a useful little tool, so I’ll introduce some of the basics of how you can use it to perform some tests. Bear in mind this is not an exhaustive guide, there are many tweaks that can […]
More...Very occasionally my Ohme Pro charger loses its connection to the Nissan LEAF API which it uses to determine the battery status, this doesn’t affect the charging of the car, but just means it reports incorrect information and grumbles to say the “car isn’t charging how we’d expect”, even though it is. Ohme customer car […]
More...Attempting to play a multicast stream from Windows VLC Player, was seeing the IGMP Snooping picking up something from my machine, but not the join to the specific group (channel/stream) I was trying to view. I was attempting to get to a stream: udp://@239.4.6.0:1234 Resolution To resolve the problem, it turned out to be VirtualBox, […]
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I’ve found that managing your time is the most important and most effective thing you can do in your day to maintain productivity. If you’re like me having endless unnecessary interruptions means you can’t get into “the zone” and have periods of deep concentration required to actually do useful work. Endless flipping from task to […]
More...To explore how DKIM validation works first got an email in .eml format as an example email which was a known good email where the DKIM validation is OK. Meaning that both the header and the body are unchanged from when the email was first DKIM signed. There is a little tool called “dkimpy”, which […]
More...Although I’ve covered this before if you want to add some headers into a test email, this can be done by just adding the required header into the “DATA” section. In the example below I’m adding in a header called “List-Id”. You would telnet into your mail server then type in the following:
More...Attempting to purchase an in-app purchase (to buy coins) in Minecraft on an Amazon Fire Tablet I was constantly being told that my Amazon password was incorrect. The issue turned out to be down to OTP being enabled on my Amazon account, using Google Authenticator. To resolve the issue, it involved entering the password, with […]
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