curl với proxy HTTP và SOCKS5: ví dụ sao chép dán

# Rotating exit, any country
curl -x http://gw.crawlrelay.com:7777 -U USERNAME:PASSWORD https://api.ipify.org

# Country and city (city availability varies)
curl -x http://gw.crawlrelay.com:7777 -U USERNAME-country-us-city-chicago:PASSWORD https://api.ipify.org

# Sticky: run it twice, the IP stays the same for up to 10 minutes (it can change earlier)
curl -x http://gw.crawlrelay.com:7777 -U USERNAME-country-de-session-t1-ttl-10:PASSWORD https://api.ipify.org

# SOCKS5, DNS resolved at the exit
curl --socks5-hostname gw.crawlrelay.com:7778 -U USERNAME-country-gb:PASSWORD https://api.ipify.org

# Full exchange, including the proxy's answer to CONNECT
curl -v -x http://gw.crawlrelay.com:7777 -U USERNAME:PASSWORD https://example.com/ -o /dev/null

# One line: proxy CONNECT status, HTTP status, compressed bytes and timings
curl -s --compressed -o /dev/null -x http://gw.crawlrelay.com:7777 -U USERNAME-country-us:PASSWORD \
  -w 'connect=%{http_connect} http=%{http_code} bytes=%{size_download} tcp=%{time_connect}s tls=%{time_appconnect}s ttfb=%{time_starttransfer}s total=%{time_total}s\n' \
  https://example.com/

echo "rotating:"
for i in 1 2 3 4 5; do
  curl -s -x http://gw.crawlrelay.com:7777 -U USERNAME-country-us:PASSWORD https://api.ipify.org; echo
done

echo "sticky:"
for i in 1 2 3 4 5; do
  curl -s -x http://gw.crawlrelay.com:7777 -U USERNAME-country-us-session-loop1-ttl-5:PASSWORD https://api.ipify.org; echo
done

curl.exe -x http://gw.crawlrelay.com:7777 -U 'USERNAME-country-fr:PASSWORD' https://api.ipify.org

export https_proxy="http://USERNAME-country-us:[email protected]:7777"
export http_proxy="$https_proxy"
export NO_PROXY="localhost,127.0.0.1,.internal.example"

curl https://api.ipify.org   # now uses the proxy
unset https_proxy http_proxy # back to direct