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Rui F Ribeiro's user avatar
Rui F Ribeiro's user avatar
Rui F Ribeiro's user avatar
Rui F Ribeiro
  • Member for 8 years, 8 months
  • Last seen more than a week ago
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About

Longtime net/Unix sysadmin, ISP background, Unix and network security consultant. *BSD fan. First ZX Spectrum emulator for Windows. FreeRadius / EDUROAM / DNS / DHCP / Anycast specialist. Specialized in Debian and cloud migration. Was an expat 6 years in Africa. Worked for Academia twice. Internacional corporate consultant for a couple of years. Worked for a couple of ISPs. Nowadays working for the local biggest ISP provider as Linux Cloud specialist.

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Top posts
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30
Am I experiencing a brute force attack?
Jan 16, 2016
23
Is it possible to secretly monitor/backdoor hardware?
Jan 19, 2016
17
What is the risk of copy and pasting Linux commands from a website? How can some commands be invisible?
Feb 14, 2016
15
Turn RPi3 Wi-Fi adapter into monitor mode using airmon-ng
Apr 26, 2016
7
Can an open Wi-Fi hotspot be considered "secure" when using a VPN connection?
Feb 16, 2016
7
Is public Wi-Fi a threat nowadays?
Dec 5, 2017
5
Is HTTPS able to prevent ARP poison attack in LAN?
Jan 17, 2016
5
Another domain is using our web app's IP address. How to prevent it?
Jan 3, 2018
4
Almost fell for "tech support" scam - what is the risk?
May 16, 2018
3
MITM over WPA2 (e.g. with ettercap)
Jan 17, 2016
Top network posts
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168
If Linux is only a kernel, then how were its first versions used (without distribution)?
156
Why are true and false so large?
146
Chrome: DNS requests with random DNS names: malware?
105
Chrome: DNS requests with random DNS names: malware?
105
"WannaCry" on Linux systems: How do you protect yourself?