tlc3
CLI application for checking TLS certificate information
Usage
NAME:
tlc3 - TLS cert checker CLI
USAGE:
tlc3 [global options] [arguments...]
VERSION:
0.0.0
DESCRIPTION:
CLI application for checking TLS certificate information
GLOBAL OPTIONS:
--completion value, -c value completion scripts: bash|zsh|pwsh
--domain value, -d value [ --domain value, -d value ] domain:port separated by commas
--list value, -l value path to newline-delimited list of domains
--output value, -o value output format: json|table|markdown|backlog (default: "json")
--timeout value, -t value network timeout: ns|us|ms|s|m|h (default: 5s)
--insecure, -i skip verification of the cert chain and host name (default: false)
--no-timeinfo, -n hide fields related to the current time in table output (default: false)
--help, -h show help
--version, -v print the version
Example
# Pass domains separated by commas. Return in JSON by default
tlc3 -d example.com,www.example.com
# Pass by file path of newline-delimited list of domains.
tlc3 -l ./list.txt
# Return in non-escape text format table
tlc3 -d example.com,www.example.com -o table
# Return in markdown format table
tlc3 -d example.com,www.example.com -o markdown
# Return in backlog format table
tlc3 -d example.com,www.example.com -o backlog
# Hide fields related to the current time. Ignored for JSON format
tlc3 -d example.com,www.example.com -o markdown -n
# Override timeout value for TLS connection and IP lookup. Default is 5 seconds
tlc3 -d example.com,www.example.com -t 10s
Warning
--insecure
,-i
option can be used to skip verification of the certificate chain and host name. However, this risks exposure to man-in-the-middle attacks and should not be used unless it is clear that there is no problem.
If this option is used, y/n must be returned for the next question.
$ tlc3 -d example.com,www.example.com -i
? [WARNING] insecure flag skips verification of the certificate chain and hostname. skip it? [y/N]
If automation is required, this restriction can be removed by setting the environment variable.
export TLC3_NON_INTERACTIVE=true
Installation
Install with homebrew
brew install nekrassov01/tap/tlc3
Install with go
go install github.com/nekrassov01/tlc3
Or download binary from releases
Shell completion
Supported shells are as follows:
tlc3 --completion bash|zsh|pwsh
Author
nekrassov01
License
MIT