José Carlos Polo jcPOLO

jcPOLO / tcpdump_http_headers.txt

Last active January 27, 2023 11:41

tcpdump captures HTTP Headers

	sudo tcpdump -A -s 10240 'tcp port 4080 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)' \| egrep --line-buffered "^........(GET \|HTTP\/\|POST \|HEAD )\|^[A-Za-z0-9-]+: " \| sed -r 's/^........(GET \|HTTP\/\|POST \|HEAD )/\n\1/g'

	# https://serverfault.com/questions/504431/human-readable-format-for-http-headers-with-tcpdump

jcPOLO / do_config.py

Last active June 15, 2020 13:13

	# script to get the configuration file based on a jinja2 template.
	# Usage python do_config.py template_file.j2
	# it will generate a cfg.txt file with the output shown
	# Example j2 template file:
	#
	# {{ vlan_tag }}
	# {{ vlan_description }}
	# {{ int_out_to_peer }}
	# {{ vpn_instance }}
	# {{ ip_vlan_svi }}

jcPOLO / Install Openssh from Source

Created April 24, 2020 22:46 — forked from imagescape/Install Openssh from Source

Install openssh in an alternate location from source


	# We will assume installation in the /opt/ directory
	mkdir /opt/openssh/
	cd /opt/openssh/

	# gather and install the dependencies
	wget http://zlib.net/zlib-1.2.7.tar.bz2
	tar jxvf zlib-1.2.7.tar.bz2
	cd zlib-1.2.7
	./configure --prefix=/opt/openssh/dist/

jcPOLO / ace_parse.py

Last active December 1, 2017 07:51

	#!/usr/bin/python3

	import re
	import sys

	L7_LOADBALANCE_POLICY = 'policy-map type'
	STICKY_GROUP = 'sticky ip-netmask'
	CLASS_MAP = 'class-map'
	SERVER_FARM = 'serverfarm host'
	POLICY_MAP = 'policy-map'

jcPOLO / index.md

Created October 5, 2017 18:58 — forked from rstacruz/index.md

Rails models cheatsheet

Rails Models

$ rails g model User

belongs_to

has_one