
SecurityGuide
Shell Script Security From Quoting to Least Privilege
A practical shell script security guide: quoting, option injection, eval, temp files, PATH, secrets, sudo and least privilege, with attacks run and fixed.
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A practical shell script security guide: quoting, option injection, eval, temp files, PATH, secrets, sudo and least privilege, with attacks run and fixed.

An SSH guide from first login to a hardened, scripted setup: keys, config files, agents, tunnels, jump hosts, sshd hardening, automation and troubleshooting.