Top all-time · #22208
Kacper Szurek
Personal blog · security.szurek.plsecurityprogramming
Kacper Szurek's personal blog at security.szurek.pl covers security and programming. Since 2018, 3 different Hacker News readers have linked it 3 times. It is still writing: the last post was on 2026-01-06, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
HN readers link this post on why the ¥ symbol appears as a path separator on Japanese systems, tied to the Shift_JIS encoding quirk. The post also mentions a CTF challenge the author wrote around that quirk.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Ciekawostki ze świata bezpieczeństwa.
What Hacker News says?
Now that I live in Japan, I've come to learn that for Japanese Windows users, seeing the ¥ symbol as a path separator is normal , it isn't a quirk or a bug. In fact, IIRC the copy machine in the closest convenience store shows a ¥ as the path separator when browsing a USB drive, even though I'm almost certain it's not running Windows. A few years back, I wrote a CTF challenge around this quirk of SHIFT_JIS. It used…
Comment linking /en/boston-key-party-ctf-2016-good-morning-and-optiproxy-writeup/
on “But What's Up with That ¥?”Submitted Exploit/bypass PHP escapeshellarg/escapeshellcmd functions as a story · 19 points
HN discussionSubmitted GitBucket Remote Code Execution Explanation as a story · 1 points
HN discussion