I didn't leave the Github url -- sorry https://github.com/rmasci/tcpscan
On Tue, Jan 28, 2020 at 10:23 AM Rich <rma...@gmail.com> wrote: > This originally started as a learning exercise in Go Routines when going > through a course on Go Programming. I needed a real world programming > example, and every day it seems I have to perform checks for > tcpconnectivity -- and worse yet our security guys didn't like putting on > netcat or nmap so we had to use telnet. That's like using a screwdriver as > a chisel, it works but not what it was designed for. We literally had > people who made scripts using telnet to check the connectivity to 100 hosts > to see if they were online on a regular basis, which using Telnet took over > a minute for all of them to time out and report if they were open, but > didn't tell you if the port was open, closed or filtered by a firewall. > > So I took my little learning excersize and made a program called tcpscan. > Honestly I am more of a sysadmin than I am a programmer, and Go is really > my first C like compiled language, and I relied more on Bash, PHP, little > Perl, TCL (Expect) so I am sure there are a lot of things that could be > done better in the program -- but thats what I am hoping for. If this is > useful, people like it, make it better right? > > Small Example of scanning hosts from a file, Checking TCP, Checking ICMP > (Ping) and SSL Cert > > ~] $ cat list;tcpscan -f list -i -s > https://www.youtube.com > https://www.google.com > https://www.twitter.com > https://www.github.com > https://www.amazon.com > > +--------------------+---------+-----------+-------------+-------------+----------------------------+ > | Address | Port | Status | TCP | ICMP | > SSL | > > +====================+=========+===========+=============+=============+============================+ > | www.youtube.com | 443 | Open | 91.88ms | 92.87ms | > TLS v1.2 / OK: 63 days | > | www.google.com | 443 | Open | 62.23ms | 63.89ms | > TLS v1.2 / OK: 63 days | > | www.twitter.com | 443 | Open | 101.69ms | 90.86ms | > TLS v1.2 / OK: 38 days | > | www.github.com | 443 | Open | 122.60ms | 121.52ms | > TLS v1.2 / OK: 126 days | > | www.amazon.com | 443 | Open | 128.97ms | 76.66ms | > TLS v1.2 / OK: 337 days | > > +--------------------+---------+-----------+-------------+-------------+----------------------------+ > > Scanned 5 hosts/ports in 493.79ms > > -- > You received this message because you are subscribed to a topic in the > Google Groups "golang-nuts" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/golang-nuts/LuactGKC2kY/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/49924f7f-da71-452f-89af-c8ee3edc42ce%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/49924f7f-da71-452f-89af-c8ee3edc42ce%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAJ0CmuE_3Jj4mi0BViHLrE7%3DNgTSVFipu_o-d2b-JPUTjr4s7Q%40mail.gmail.com.
