OS Manuals

/usr/bin/dnsreplay

PowerDNS Authoritative Server without libsodium or gnutls for use in FIPS environments

From pdns-5.0-nosodium 5.0.12-r17 (enterprise-packages), captured 2026-11-08 by running dnsreplay --help (exit 0). permalink

Usage: dnsreplay [OPTIONS] FILENAME [IP-ADDRESS] [PORT]
Allowed options:
  -h [ --help ]               produce help message
  --version                   show version number
  --packet-limit arg (=0)     stop after this many packets
  --pcap-dns-port arg (=53)   look at packets from or to this port in the PCAP
                              (defaults to 53)
  --quiet arg (=1)            don't be too noisy
  --recursive arg (=1)        look at recursion desired packets, or not
                              (defaults true)
  --speedup arg (=1)          replay at this speedup
  --timeout-msec arg (=500)   wait at least this many milliseconds for a reply
  --ecs-stamp                 Add original IP address to ECS in replay
  --ecs-mask arg              Replace first octet of src IP address with this
                              value in ECS
  --source-ip arg             IP to send the replayed packet from
  --source-from-pcap arg (=0) Send the replayed packets from the source IP
                              present in the PCAP (requires IP_TRANSPARENT
                              support)
  --source-port arg (=0)      Port to send the replayed packet from
Options (12)
OptionDescriptionSource
-h, --helpShow summary of options.help + man
--versionshow version numberhelp
--packet-limit argstop after this many packetshelp
--pcap-dns-port arglook at packets from or to this port in the PCAP (defaults to 53)help
--quiet argdon't be too noisyhelp
--recursive arglook at recursion desired packets, or not (defaults true)help
--speedup argreplay at this speeduphelp
--timeout-msec argwait at least this many milliseconds for a replyhelp
--ecs-stampAdd original IP address to ECS in replayhelp
--ecs-mask argReplace first octet of src IP address with this value in ECShelp
--source-ip argIP to send the replayed packet fromhelp
--source-port argPort to send the replayed packet fromhelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.