masdeseiscaracteres · June 21, 2019 11:51
diff --git a/dnslookup.sh b/dnslookup.sh
 #!/usr/bin/env bash
 # DNS lookup in Bash without "host", "dig" or "nslookup"
 [[ $# -ne 1 ]] && echo "Please provide host name" && return 1
 HOST="$1"
 getent hosts $HOST
diff --git a/other alternatives.md b/other alternatives.md
diff --git a/portscan.sh b/portscan.sh
 #!/usr/bin/env bash
 # Port scan in Bash (without sudo, nmap or nc)
 [[ $# -ne 2 ]] && echo "Please provide server name and port" && return 1

 SERVER="$1"
 PORT="$2"
 (echo  > /dev/tcp/$SERVER/$PORT) >& /dev/null && echo "Port $PORT seems to be open in server $SERVER"
	#!/usr/bin/env bash
	# DNS lookup in Bash without "host", "dig" or "nslookup"
	[[ $# -ne 1 ]] && echo "Please provide host name" && return 1
	HOST="$1"
	getent hosts $HOST
	#!/usr/bin/env bash
	# Port scan in Bash (without sudo, nmap or nc)
	[[ $# -ne 2 ]] && echo "Please provide server name and port" && return 1

	SERVER="$1"
	PORT="$2"
	(echo > /dev/tcp/$SERVER/$PORT) >& /dev/null && echo "Port $PORT seems to be open in server $SERVER"