Web & HTTP
3 articles in this category.
· min read
HTTP status codes explained
A short reference on HTTP status codes — the three-digit grammar, what each class means, the twenty codes you actually meet, 401 vs 403, 301 vs 302, the 502/503/504 triage table for reverse proxies, and the retry semantics most clients get wrong.
#web
#http
#protocols
#debugging
· min read
Understanding CORS
A short reference on Cross-Origin Resource Sharing — what counts as a cross-origin request, the simple vs preflight distinction, the headers that matter, and why CORS is a browser-side restriction rather than a server-side one.
#web
#cors
#security
#http
· min read
What is a JWT?
A short reference on JSON Web Tokens — the three-part structure, the algorithms that sign them, what they are good for, what they are bad for, and why you should not roll your own auth on top.
#auth
#jwt
#security