Is it possible to capture the outgoing port for a given HTTP request?
I'm using a knockoff of ab that I wrote in go to send repeated requests to
a given web service. Sometimes we get an error and I want to look at a
packet trace of it. The problem is it's really hard to find one failed
request in 1,000 in a tcp dump. If I can see the source port, that would
help me narrow it down.
The code I'm doing is effectively this (forgive any typos, this is a quick
& dirty recopy, not a cut & paste):
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
}
transport := &http.Transport{
DisableKeepAlives: true,
TLSClientCOnfig: tlsCOnfig,
ResponseHeaderTimeout: time.Duration(headerTimeout) * time.Second,
}
client := &http.Client{
Timeout: time.Duration(timeOut) * time.second,
Transport: transport,
}
response, err :=client.Get(*targetURL) // How can I capture the outgoing
port from this?
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