Category: Software
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Gmail & Postfix: unencrypted emails?
If you’re running Postfix, add this line to main.cf: smtp_tls_security_level = may Restart Postfix, and retry. PS: You can set encrypt instead of may — but this can cause issues with Amavis and/or SpamAssassin.
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Belgian banks & SSL — part 5
Minor end of year update. No big SSL exploits have been released since (bar DH, see below). Once again, this is testing the public websites I can access. There might be other gateways, APIs, etc that are not (as) secure. It’s worthy to note that some banks are serious about security and fixing their SSL.…
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Waze not getting a GPS fix
TL;DR: recalibrate your compass. I’ve come across an issue for the past 10 days that Waze kept losing its GPS fix. This meant: constantly switching between 0 and 120 (or whatever) km/h constantly zooming in & out on maps (dynamic zoom level depending on speed) being in a field/not on the road for most of the…
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Proximus Innovation: D-Link DCS-2132L
Proximus Innovation team handed me a D-Link DCS-2132L (ver. B1) to play with. I have some experience with, what is considered, a professional (~€120 + tax) PoE surveillance camera: the Unifi Video Camera (basic version). Amazon retails this D-Link for around €120 (including tax). So it’s worth noting it’s almost the same price as a metal, semi…
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Stibbe – Cybercrime
Short presentation about the ease of finding and getting into unprotected systems. PDF can be downloaded here. Presentation given at Stibbe on 5 May 2015.
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CIFS: mount error(13): Permission denied
You’ve just updated your Raspberry Pi (or whatever Linux) and you’re noticing your CIFS (smb) mounts aren’t getting auto mounted anymore. You curse and start noticing this error: # mount -t cifs //192.168.1.100/public -o username=public,password=public sam/ mount error(13): Permission denied Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) The solution is to add after…
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Belgian banks & SSL — part 4
Because of the mediastorm it’s time for an update. The previous (1, 2, 3) blog posts are outdated! I’ll do my usual slashdot-effect post in a couple of days (it’s already at 10k views today). Banks that changed rank since last post (all for the better): 16/02/2015: Keytrade: B to A Hello Bank!: C to A ING:…
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Belgian banks & SSL — part 3
EDIT: ING is now A- (not reflected in this blog post). EDIT 2: Keytrade & Hello Bank also went to A. I’ll post a new blog post later tonight. EDIT 3: Updated post here. Part three, or how I single-handedly “fixed” SSL at the Belgian banks. 😉 Part one and two are available here. Not related…
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Courier IMAP and auto deleting trash after 7 days
E-mails that had been deleted for over 7 days were automatically removed from the IMAP server. E-mail date was ignored (ie the mail could have been from 2010; the actual time in “Trash” counted). This didn’t happen to other folders (Sent, Archive, Spam). This recently happened and hadn’t happened before. I had to restore my…