bashANYcurltimeoutnetwork
bash
curl --connect-timeout 5 https://example.comSeparate connect timeout from overall max time.
cURL Debugging, Performance, and Scripting
Tracing, DNS overrides, proxies, protocol selection, config files, timeouts, and script-friendly curl patterns.
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Debugging and Diagnostics
Tracing, proxies, DNS overrides, timeouts, and connection tuning.
bashANYcurltimeoutautomation
bash
curl --max-time 20 https://example.comGood for scripts that must not hang forever.
bashANYcurldnstesting
bash
curl --resolve example.com:443:127.0.0.1 https://example.comGreat for testing a site before DNS changes propagate.
bashANYcurldnsrouting
bash
curl --connect-to example.com:443:staging.example.net:8443 https://example.comUseful for staging, canaries, and origin testing.
bashANYcurlproxynetwork
bash
curl -x http://proxy.example.com:8080 https://example.comUse `-x` / `--proxy` for HTTP, HTTPS, SOCKS, and related proxies.
bashANYcurlproxysocks5
bash
curl --socks5 localhost:1080 https://example.comUseful for debugging network routes or tunneled access.
bashANYcurlhttp2protocol
bash
curl --http2 https://example.comUseful when testing protocol behavior and ALPN negotiation.
bashANYcurlhttp3protocol
bash
curl --http3 https://example.comHTTP/3 support depends on the curl build and backend support.
bashANYcurlipv4network
bash
curl -4 https://example.comHelpful for troubleshooting mixed IPv4/IPv6 environments.
bashANYcurlipv6network
bash
curl -6 https://example.comUseful when validating IPv6 reachability.
Config Files and Scripting
Reusable config files, shell integration, and script-safe patterns.
bashANYcurlconfigscripting
bash
curl -K request.curlConfig files are useful for long commands and repeatable workflows.
iniANYcurlconfigscripting
ini
url = 'https://api.example.com/v1/items'
header = 'Accept: application/json'
header = 'Authorization: Bearer TOKEN'
silent
show-errorA `.curlrc` or request-specific config file can keep complex commands readable.
bashANYcurljsonapi
bash
curl --json '{"name":"demo"}' https://api.example.com/v1/items`--json` is a convenience option that sets JSON-related defaults.
bashANYcurlglobbingoutput
bash
curl -o '#1-#2.txt' 'https://example.com/{dev,prod}/{a,b}'Output templates pair nicely with URL globbing.
bashANYcurlscriptingstatus
bash
status=$(curl -s -o /tmp/resp.json -w '%{http_code}' https://api.example.com/health)
[ "$status" -eq 200 ] && echo ok || echo failA common automation pattern: body to file, status to shell variable.
bashANYcurljqjson
bash
curl -s https://api.github.com/repos/curl/curl | jq '.stargazers_count'curl focuses on transfer; pair it with `jq` for JSON processing.
bashANYcurlpostfile
bash
curl -X POST -H 'Content-Type: application/json' --data @payload.json https://api.example.com/itemsPrefix a filename with `@` for `--data` to read from file.
bashANYcurlproxynetwork
bash
curl --noproxy localhost,127.0.0.1 https://localhost:8443Helpful in mixed environments where a proxy is configured globally.
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