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zmap --help
zmap 1.0.0

A fast Internet-wide scanner.

Usage: zmap [OPTIONS]...

Basic arguments

p, --target-port=port TCP port number to scan (for SYN scans)

o, --output-file=name Output file

b, --blacklist-file=path File of subnets to exclude, in CIDR notation,

e.g. 192.168.0.0/16

w, --whitelist-file=path File of subnets to constrain scan to, in CIDR

notation, e.g. 192.168.0.0/16

Scan options

n, --max-targets=n Cap number of targets to probe (as a number or

a percentage of the address space)

N, --max-results=n Cap number of results to return

t, --max-runtime=ses Cap length of time for sending packets

r, --rate=pps Set send rate in packets/sec

B, --bandwidth=bps Set send rate in bits/second (supports suffixes

G, M and K)

c, --cooldown-time=secs How long to continue receiving after sending

last probe (default=`8')

e, --seed=n Seed used to select address permutation

T, --sender-threads=n Threads used to send packets (default=`1')

P, --probes=n Number of probes to send to each IP

(default=`1')

d, --dryrun Don't actually send packets

Network options

s, --source-port=port|range Source port(s) for scan packets

S, --source-ip=ip|range Source address(es) for scan packets

G, --gateway-mac=addr Specify gateway MAC address

i, --interface=name Specify network interface to use

Advanced options

M, --probe-module=name Select probe module (default=`tcp_syn­scan')

O, --output-module=name Select output module (default=`sim­ple_file')

--probe-args=args Arguments to pass to probe module

--output-args=args Arguments to pass to output module

--list-output-modules List available output modules

--list-probe-modules List available probe modules

Additional options

C, --config=filename Read a configuration file, which can specify

any of these options

(default=`/et­c/zmap/zmap.con­f')

q, --quiet Do not print status updates

g, --summary Print configuration and summary at end of scan

v, --verbosity=n Level of log detail (0-5) (default=`3')

h, --help Print help and exit

V, --version Print version and exit

Examples

zmap -p 443 (scans the whole Internet for hosts with port 443 open)
zmap -N 5 -B 10M -p 80 -o - (find 5 HTTP servers, scanning at 10 Mb/s)

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