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Networking & Internet

The most popular blog posts about networking & internet on Hacker News. 89 posts.

2016
63

TOTP SSH port fluxing

Some people change their SSH port on their servers so that it is slightly harder to find for bots or other nasties and while that is generally viewed as an action of security through obscurity it does work very well at killing a lot of the automated logins you always see in /var/log/auth.log .

64

Why I Live in IRC (2015)

I have lived in IRC for about 7 years. What I mean by this is that IRC has been my primary hub for reading information online and interacting with people and systems. I don't use an RSS reader, I visit Twitter and Facebook only ...

66

The Golden Age of Open Protocols

Protocols are a geeky topic. It’s way more interesting to talk about applications. People will go on and on about why they like gmail or some other email application. But not a lot of people get excited about SMTP and IMAP which are the underlying email protocols that allow the gmail application to talk to […]

80

Advanced Ping: httping, dnsping, smtpping

I really love ping! It is easy to use and directly reveals whether the network works or not. Refer to Why Ping is no Security Flaw! (But your Friend) and Advanced Tracerouting . At least outgoing pings (from trust to untrust) should be allowed without any security concerns. However, many companies are denying these…

84

Curl and http/2 on Mac

$ curl ‐‐http2 https://daniel.haxx.se/ curl: (1) Unsupported protocol curl on mac curl has been shipped by default on Mac OS X since many years - I actually couldn't even manage to figure out exactly how many. It is built and bundled with the operating system by Apple itself and on Apple's own terms and even ……

86

Russian ship loitering near undersea cables

**Russian ship loitering near undersea cables** Updated: Original article 9th Oct. 2016. The Russian Navy’s Project 22010 mini-sub host ship Yantar is known for loitering near undersea internet cables (known as Submarine communications Cables - SCC). It may have other special missions also…. Read More >….