215
FTP
215 System Type
The NAME system type, where NAME is an official system name from the list in the Assigned Numbers document. Reports the operating system of the server.
이 코드를 보게 되는 경우
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
해결 방법
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
비교 대상
가이드
FTP Reply Codes: Understanding File Transfer Responses
DNS & Networking
TCP Three-Way Handshake and Connection Lifecycle
DNS & Networking
Essential Network Debugging Tools: ping, traceroute, mtr, and tcpdump
DNS & Networking
RFC 959: FTP Protocol Deep Dive
Protocol Deep Dives
TLS 1.3: Faster, Simpler, More Secure
Protocol Deep Dives
Migrating from FTP to SFTP: A Complete Transition Guide
Migration & Upgrades
HTTP Access Log Management: Rotation, Parsing, and Analysis
Production Infrastructure
용어집
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FTP Chroot Jail
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rsync
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FTP over TLS (RFC 4217)
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