nping free online tool

Nping is an open-source tool for network packet generation, response analysis and response time measurement. Nping allows users to generate network packets of a wide range of protocols, letting them tune virtually any field of the protocol headers.

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Description of nping

Nping 0.7.80 ( https://nmap.org/nping )
Usage: nping [Probe mode] [Options] {target specification}

TARGET SPECIFICATION:
Targets may be specified as hostnames, IP addresses, networks, etc.
Ex: scanme.nmap.org, microsoft.com/24, 192.168.0.1; 10.0.*.1-24
PROBE MODES:
--tcp-connect                    : Unprivileged TCP connect probe mode.
--tcp                            : TCP probe mode.
--udp                            : UDP probe mode.
--icmp                           : ICMP probe mode.
--arp                            : ARP/RARP probe mode.
--tr, --traceroute               : Traceroute mode (can only be used with
TCP/UDP/ICMP modes).
TCP CONNECT MODE:
-p, --dest-port <port spec>     : Set destination port(s).
-g, --source-port <portnumber>  : Try to use a custom source port.
TCP PROBE MODE:
-g, --source-port <portnumber>  : Set source port.
-p, --dest-port <port spec>     : Set destination port(s).
--seq <seqnumber>               : Set sequence number.
--flags <flag list>             : Set TCP flags (ACK,PSH,RST,SYN,FIN...)
--ack <acknumber>               : Set ACK number.
--win <size>                    : Set window size.
--badsum                        : Use a random invalid checksum.
UDP PROBE MODE:
-g, --source-port <portnumber>  : Set source port.
-p, --dest-port <port spec>     : Set destination port(s).
--badsum                        : Use a random invalid checksum.
ICMP PROBE MODE:
--icmp-type <type>               : ICMP type.
--icmp-code <code>               : ICMP code.
--icmp-id <id>                   : Set identifier.
--icmp-seq <n>                   : Set sequence number.
--icmp-redirect-addr <addr>      : Set redirect address.
--icmp-param-pointer <pnt>       : Set parameter problem pointer.
--icmp-advert-lifetime <time>    : Set router advertisement lifetime.
--icmp-advert-entry <IP,pref>    : Add router advertisement entry.
--icmp-orig-time  <timestamp>    : Set originate timestamp.
--icmp-recv-time  <timestamp>    : Set receive timestamp.
--icmp-trans-time <timestamp>    : Set transmit timestamp.
ARP/RARP PROBE MODE:
--arp-type <type>                : Type: ARP, ARP-reply, RARP, RARP-reply.
--arp-sender-mac <mac>           : Set sender MAC address.
--arp-sender-ip  <addr>          : Set sender IP address.
--arp-target-mac <mac>           : Set target MAC address.
--arp-target-ip  <addr>          : Set target IP address.
IPv4 OPTIONS:
-S, --source-ip                  : Set source IP address.
--dest-ip <addr>                 : Set destination IP address (used as an
alternative to {target specification} ).
--tos <tos>                      : Set type of service field (8bits).
--id  <id>                       : Set identification field (16 bits).
--df                             : Set Don't Fragment flag.
--mf                             : Set More Fragments flag.
--ttl <hops>                     : Set time to live [0-255].
--badsum-ip                      : Use a random invalid checksum.
--ip-options <S|R [route]|L [route]|T|U ...> : Set IP options
--ip-options <hex string>                    : Set IP options
--mtu <size>                     : Set MTU. Packets get fragmented if MTU is
small enough.
IPv6 OPTIONS:
-6, --IPv6                       : Use IP version 6.
--dest-ip                        : Set destination IP address (used as an
alternative to {target specification}).
--hop-limit                      : Set hop limit (same as IPv4 TTL).
--traffic-class <class> :        : Set traffic class.
--flow <label>                   : Set flow label.
ETHERNET OPTIONS:
--dest-mac <mac>                 : Set destination mac address. (Disables
ARP resolution)
--source-mac <mac>               : Set source MAC address.
--ether-type <type>              : Set EtherType value.
PAYLOAD OPTIONS:
--data <hex string>              : Include a custom payload.
--data-string <text>             : Include a custom ASCII text.
--data-length <len>              : Include len random bytes as payload.
ECHO CLIENT/SERVER:
--echo-client <passphrase>       : Run Nping in client mode.
--echo-server <passphrase>       : Run Nping in server mode.
--echo-port <port>               : Use custom <port> to listen or connect.
--no-crypto                      : Disable encryption and authentication.
--once                           : Stop the server after one connection.
--safe-payloads                  : Erase application data in echoed packets.
TIMING AND PERFORMANCE:
Options which take <time> are in seconds, or append 'ms' (milliseconds),
's' (seconds), 'm' (minutes), or 'h' (hours) to the value (e.g. 30m, 0.25h).
--delay <time>                   : Adjust delay between probes.
--rate  <rate>                   : Send num packets per second.
MISC:
-h, --help                       : Display help information.
-V, --version                    : Display current version number.
-c, --count <n>                  : Stop after <n> rounds.
-e, --interface <name>           : Use supplied network interface.
-H, --hide-sent                  : Do not display sent packets.
-N, --no-capture                 : Do not try to capture replies.
--privileged                     : Assume user is fully privileged.
--unprivileged                   : Assume user lacks raw socket privileges.
--send-eth                       : Send packets at the raw Ethernet layer.
--send-ip                        : Send packets using raw IP sockets.
--bpf-filter <filter spec>       : Specify custom BPF filter.
OUTPUT:
-v                               : Increment verbosity level by one.
-v[level]                        : Set verbosity level. E.g: -v4
-d                               : Increment debugging level by one.
-d[level]                        : Set debugging level. E.g: -d3
-q                               : Decrease verbosity level by one.
-q[N]                            : Decrease verbosity level N times
--quiet                          : Set verbosity and debug level to minimum.
--debug                          : Set verbosity and debug to the max level.
EXAMPLES:
nping scanme.nmap.org
nping --tcp -p 80 --flags rst --ttl 2 192.168.1.1
nping --icmp --icmp-type time --delay 500ms 192.168.254.254
nping --echo-server "public" -e wlan0 -vvv
nping --echo-client "public" echo.nmap.org --tcp -p1-1024 --flags ack

SEE THE MAN PAGE FOR MANY MORE OPTIONS, DESCRIPTIONS, AND EXAMPLES

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