변군이글루

dig 명령어 bind-utils 패키지 설치(dig) $ yum install -y bind-utils dig 명령어 중 자주쓰는 옵션 A 레코드 조회 $ dig sangchul.kr ; DiG 9.11.4-P2-RedHat-9.11.4-26.P2.amzn2.5 sangchul.kr ;; global options: +cmd ;; Got answer: ;; ->>HEADERHEADER

Wildcard DNS record https://en.wikipedia.org/wiki/Wildcard_DNS_record Set Up WildCard DNS If you have a dedicated IP address, you can create a wildcard A record by setting the Host Name value to an * (asterisk). When you do so, if the subdomain queried does not exist, the server will respond with the IP address specified in the Zone File Editor as the wildcard. For example, if someone were to vi..

rndc 명령어 # rndc Usage: rndc [-b address] [-c config] [-s server] [-p port] [-k key-file ] [-y key] [-V] command command is one of the following: reload Reload configuration file and zones. reload zone [class [view]] Reload a single zone. refresh zone [class [view]] Schedule immediate maintenance for a zone. retransfer zone [class [view]] Retransfer a single zone without checking serial number. f..

[BIND] BIND 관리를 위한 RNDC 설정_v201704 1. rndc.conf 파일 및 키 생성 # rndc-confgen > /etc/rndc.conf ---Output # Start of rndc.conf key "rndc-key" { algorithm hmac-md5; secret "VHwE0YVJvw+4EY7SFimblg=="; }; options { default-key "rndc-key"; default-server 127.0.0.1; default-port 953; }; # End of rndc.conf # Use with the following in named.conf, adjusting the allow list as needed: # key "rndc-key" { # algor..

BIND logging 설정 # vi /etc/named.logging.conf logging { channel "default_syslog" { // Send most of the named messages to syslog. syslog local2; severity debug; }; channel "default_syslog" { file "logs/default.log" versions 3 size 20m; severity debug; print-category yes; print-severity yes; print-time yes; }; channel "general_syslog" { file "logs/general.log" versions 3 size 20m; severity debug; p..