diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 16e9331..89c1b27 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,27 +25,22 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
-      - name: Install macOS autogen prerequisites
-        run: brew install autoconf automake
-        if: ${{ runner.os == 'macOS' }}
-      - name: ./autogen.sh
-        run: ./autogen.sh
       - name: Compiler version
         run: $CC -v
         env:
           CC: ${{ matrix.compiler }}
       - name: Install Linux dependencies
-        run: sudo apt install autoconf libssl-dev libpcap-dev libnet1-dev libjson-c-dev
+        run: sudo apt install cmake ninja-build libssl-dev libpcap-dev libnet1-dev libjson-c-dev
         if: ${{ runner.os == 'Linux' }}
       - name: Install macOS dependencies
         run: |
-          brew install openssl@3 libpcap libnet json-c
+          brew install cmake ninja openssl@3 libpcap libnet json-c
           echo "LDFLAGS=-L$(brew --prefix openssl@3)/lib" >> $GITHUB_ENV
           echo "CPPFLAGS=-I$(brew --prefix openssl@3)/include" >> $GITHUB_ENV
         if: ${{ runner.os == 'macOS' }}
-      - name: ./configure
-        run: ./configure
+      - name: cmake -B ${{github.workspace}}/build -G Ninja
+        run: cmake -B ${{github.workspace}}/build -G Ninja
         env:
           CC: ${{ matrix.compiler }}
-      - name: make
-        run: make
+      - name: ninja -C ${{github.workspace}}/build
+        run: ninja -C ${{github.workspace}}/build
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 2cd3a79..3aec2a5 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -31,10 +31,9 @@ jobs:
         languages: ${{ matrix.language }}
     - name: Build Application using script
       run: |
-        ./autogen.sh
-        sudo apt install autoconf libssl-dev libpcap-dev libnet1-dev libjson-c-dev
-        ./configure
-        make
+        sudo apt install cmake ninja-build libssl-dev libpcap-dev libnet1-dev libjson-c-dev
+        cmake -B ${{github.workspace}}/build -G Ninja
+        ninja -C ${{github.workspace}}/build
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v2
       with:
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..de5f87d
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,117 @@
+cmake_minimum_required(VERSION 3.16.3)
+include(CheckSymbolExists)
+
+project(
+    ssldump
+    VERSION 1.8
+    DESCRIPTION 20230811
+    LANGUAGES C
+)
+
+configure_file(base/pcap-snoop.c.in base/pcap-snoop.c)
+
+set(SOURCES
+	${CMAKE_BINARY_DIR}/base/pcap-snoop.c
+	base/network.c
+	base/proto_mod.c
+	base/tcppack.c
+	base/tcpconn.c
+	null/null_analyze.c
+	common/lib/r_data.c
+	common/lib/r_assoc.c
+	common/lib/r_errors.c
+	common/lib/debug.c
+	ssl/ssl_analyze.c
+	ssl/ssldecode.c
+	ssl/sslprint.c
+	ssl/ssl.enums.c
+	ssl/sslxprint.c
+	ssl/ciphersuites.c
+	ssl/ssl_rec.c
+	pcap/logpkt.c
+	pcap/pcap_logger.c
+	pcap/sys.c
+)
+
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/modules/" ${CMAKE_MODULE_PATH})
+
+find_package(OpenSSL)
+if(NOT OPENSSL_FOUND)
+    message( FATAL_ERROR
+"Unable to find OpenSSL development files on this system
+On Debian and Ubuntu systems you can install the required library and header files with
+    apt install libssl-dev
+On Fedora systems, with
+    dnf install openssl-devel" )
+endif()
+
+#dnf install openssl-devel libpcap-devel libnet-devel json-c-devel
+
+find_package(PCAP)
+if(NOT PCAP_FOUND)
+    message( FATAL_ERROR
+"Unable to find libpcap development files on this system
+On Debian and Ubuntu systems you can install the required library and header files with
+    apt install libpcap-dev
+On Fedora systems, with
+    dnf install libpcap-devel" )
+endif()
+
+find_package(LIBNET)
+if(NOT LIBNET_FOUND)
+    message( FATAL_ERROR
+"Unable to find libnet development files on this system
+On Debian and Ubuntu systems you can install the required library and header files with
+    apt install libnet1-dev
+On Fedora systems, with
+    dnf install libnet-devel" )
+endif()
+
+find_package(JSONC)
+if(NOT JSONC_FOUND)
+    message( FATAL_ERROR
+"Unable to find libjson-c development files on this system
+On Debian and Ubuntu systems you can install the required library and header files with
+    apt install libjson-c-dev
+On Fedora systems, with
+    dnf install json-c-devel" )
+endif()
+
+add_executable(${PROJECT_NAME} ${SOURCES})
+
+check_symbol_exists(strdup "string.h" HAVE_STRDUP)
+if(HAVE_STRDUP)
+    add_definitions(-DHAVE_STRDUP)
+endif()
+
+add_definitions(-DLINUX)
+add_definitions(-DOPENSSL)
+add_definitions(-D_DEFAULT_SOURCE=1)
+
+target_include_directories(ssldump
+    PRIVATE 
+        ${PROJECT_SOURCE_DIR}/common/include
+        ${PROJECT_SOURCE_DIR}/common/lib
+        ${PROJECT_SOURCE_DIR}/null
+        ${PROJECT_SOURCE_DIR}/ssl
+        ${PROJECT_SOURCE_DIR}/base
+        ${PROJECT_SOURCE_DIR}/pcap
+        ${OPENSSL_INCLUDE_DIR}
+        ${PCAP_INCLUDE_DIR}
+        ${LIBNET_INCLUDE_DIR}
+        ${JSONC_INCLUDE_DIR}
+)
+
+target_link_libraries(ssldump
+    PRIVATE
+        ${OPENSSL_LIBRARIES}
+        ${PCAP_LIBRARY}
+        ${LIBNET_LIBRARY}
+        ${JSONC_LIBRARIES}
+)
+
+set(CMAKE_INSTALL_PREFIX "/usr/local")
+install(TARGETS ssldump DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
+
+set(CMAKE_INSTALL_MANDIR "/usr/local/share/man")
+install(FILES ssldump.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
diff --git a/Makefile.am b/Makefile.am
deleted file mode 100644
index 77d0190..0000000
--- a/Makefile.am
+++ /dev/null
@@ -1,37 +0,0 @@
-sbin_PROGRAMS = ssldump
-man_MANS = ssldump.1
-
-ssldump_SOURCES = \
-	base/pcap-snoop.c\
-	base/network.c\
-	base/proto_mod.c\
-	base/tcppack.c\
-	base/tcpconn.c\
-	null/null_analyze.c\
-	common/lib/r_data.c\
-	common/lib/r_assoc.c\
-	common/lib/r_errors.c\
-	common/lib/debug.c\
-	ssl/ssl_analyze.c\
-	ssl/ssldecode.c\
-	ssl/sslprint.c\
-	ssl/ssl.enums.c\
-	ssl/sslxprint.c\
-	ssl/ciphersuites.c\
-	ssl/ssl_rec.c\
-	pcap/logpkt.c\
-	pcap/pcap_logger.c\
-	pcap/sys.c
-
-
-ssldump_CPPFLAGS = \
-	-I$(top_srcdir)\
-	-I$(top_srcdir)/common/include\
-	-I$(top_srcdir)/common/lib\
-	-I$(top_srcdir)/null\
-	-I$(top_srcdir)/ssl\
-	-I$(top_srcdir)/base\
-	-I$(top_srcdir)/pcap\
-	-D_DEFAULT_SOURCE=1\
-	-DLINUX\
-	-DOPENSSL
diff --git a/README.md b/README.md
index 66535c0..a9aaf5a 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ includes a JSON output option, supports [JA3](https://github.com/salesforce/ja3)
 
 # How to do I run ssldump?
 
-`./ssldump  -j -ANH -n -i any | jq` will run ssldump on all interfaces and output the result in JSON format including ja3 hashes.
+`./ssldump -j -ANH -n -i any | jq` will run ssldump on all interfaces and output the result in JSON format including ja3 hashes.
 
 For more details, check the man page.
 
@@ -29,7 +29,7 @@ For more details, check the man page.
 
 This example will query ja3er.com service to display the known ja3 hashes from the TLS handshaked in the pcap.
 
-`ssldump -r yourcapture.pcap -j  | jq -r 'select(.ja3_fp != null) | .ja3_fp' | parallel 'curl -s -X GET 'https://ja3er.com/search/{}' | jq .'`
+`ssldump -r yourcapture.pcap -j | jq -r 'select(.ja3_fp != null) | .ja3_fp' | parallel 'curl -s -X GET 'https://ja3er.com/search/{}' | jq .'`
 
 # Why do you maintain this repository?
 
@@ -53,41 +53,39 @@ other too (but this is just a collateral damage).
 
 # Build instructions
 
-On Debian & Ubuntu:
+Install dependencies on Debian & Ubuntu (as root):
 ```
-apt install build-essential autoconf libssl-dev libpcap-dev libnet1-dev libjson-c-dev
-./autogen.sh
-./configure --prefix=/usr/local
-make
-(optional) make install
+apt install build-essential git cmake ninja-build libssl-dev libpcap-dev libnet1-dev libjson-c-dev
 ```
 
-On Fedora, CentOS, RHEL & Rocky:
+On Fedora, CentOS, RHEL & Rocky (as root):
 ```
-dnf install autoconf automake gcc make openssl-devel libpcap-devel libnet-devel json-c-devel
-./autogen.sh
-./configure --prefix=/usr/local
-make
-(optional) make install
+dnf install git cmake ninja-build gcc openssl-devel libpcap-devel libnet-devel json-c-devel
 ```
 
-Optional configuration features (aka ./configure options):
+On OpenBSD (as root):
 ```
-  --disable-optimization  disable compiler optimizations (change from -O2 to -O0)
-  --enable-debug	  enable debug info (add "-g -DDEBUG" to CFLAGS)
-  --enable-asan		  enable AddressSanitizer and other checks
-	add "-fsanitize=address,undefined,leak -Wformat -Werror=format-security
-		-Werror=array-bounds" to CFLAGS
-	use libasan with GCC and embedded ASAN with Clang
+pkg_add git cmake ninja json-c libnet
 ```
 
-Configuration examples:
+On FreeBSD (as root):
+```
+pkg install git cmake ninja json-c libnet
 ```
-- Use GCC with libasan, debug info and custom CFLAGS:
-	./configure CC=/usr/bin/gcc --enable-asan --enable-debug CFLAGS="-Wall"
 
-- Use Clang with ASAN and no optimizations (-O0)
-	./configure CC=/usr/bin/clang --enable-asan --disable-optimization
+On MacOS (as root):
+```
+brew install cmake ninja openssl@3 libpcap libnet json-c
+```
+
+Compile & install:
+```
+git clone https://github.com/adulau/ssldump.git
+cd ssldump
+cmake -G Ninja -B build
+ninja -C build
+./build/ssldump -v
+(optional, as root) ninja -C build install
 ```
 
 # Notes
diff --git a/autogen.sh b/autogen.sh
deleted file mode 100755
index 4bc5834..0000000
--- a/autogen.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-
-autoreconf -v -i
-
-
diff --git a/base/Makefile.am b/base/Makefile.am
deleted file mode 100644
index e69de29..0000000
diff --git a/base/pcap-snoop.c b/base/pcap-snoop.c.in
similarity index 99%
rename from base/pcap-snoop.c
rename to base/pcap-snoop.c.in
index 3d3a85b..c25e9b0 100644
--- a/base/pcap-snoop.c
+++ b/base/pcap-snoop.c.in
@@ -51,7 +51,9 @@
 
 #include <pcap.h>
 #include <unistd.h>
+#ifndef __OpenBSD__
 #include <pcap-bpf.h>
+#endif
 #ifndef _WIN32
 #include <sys/param.h>
 #endif
@@ -118,7 +120,7 @@ int usage()
 
 int print_version()
   {
-    printf(PACKAGE_STRING "\n");
+    printf("Version: @ssldump_VERSION@ (@ssldump_DESCRIPTION@)\n");
     printf("Maintained by a bunch of volunteers, see https://github.com/adulau/ssldump/blob/master/CREDITS\n");
     printf("Copyright (C) 2015-2023 the aforementioned volunteers\n");
     printf("Copyright (C) 1998-2001 RTFM, Inc.\n");
diff --git a/cmake/modules/FindJSONC.cmake b/cmake/modules/FindJSONC.cmake
new file mode 100644
index 0000000..69b792f
--- /dev/null
+++ b/cmake/modules/FindJSONC.cmake
@@ -0,0 +1,49 @@
+# From https://github.com/fastogt/cmake/blob/master/FindJSON-C.cmake
+# Copyright (c) 2018, FastoGT
+# License: BSD 3-Clause
+# Modified by: Micah Snyder
+
+# JSONC_FOUND - true if library and headers were found
+# JSONC_INCLUDE_DIRS - include directories
+# JSONC_LIBRARIES - library directories
+
+if(JSONC_USE_STATIC)
+  add_library(jsonc STATIC IMPORTED GLOBAL)
+else()
+  add_library(jsonc SHARED IMPORTED GLOBAL)
+endif(JSONC_USE_STATIC)
+
+find_package(PkgConfig QUIET)
+PKG_CHECK_MODULES(PC_JSONC QUIET json-c)
+
+find_path(JSONC_INCLUDE_DIR json.h
+  HINTS ${PC_JSONC_INCLUDEDIR} ${PC_JSONC_INCLUDE_DIRS} PATH_SUFFIXES json-c json)
+
+if(JSONC_USE_STATIC)
+  find_library(JSONC_LIBRARY NAMES libjson-c.a libjson-c-static.a
+    HINTS ${PC_JSONC_LIBDIR} ${PC_JSONC_LIBRARY_DIRS})
+else()
+  find_library(JSONC_LIBRARY NAMES json-c libjson-c
+    HINTS ${PC_JSONC_LIBDIR} ${PC_JSONC_LIBRARY_DIRS})
+endif(JSONC_USE_STATIC)
+
+set(JSONC_LIBRARIES ${JSONC_LIBRARY})
+set(JSONC_INCLUDE_DIRS ${JSONC_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(JSONC DEFAULT_MSG JSONC_LIBRARIES JSONC_INCLUDE_DIRS)
+
+if(JSONC_FOUND AND NOT TARGET JSONC::jsonc)
+  add_library(JSONC::jsonc UNKNOWN IMPORTED)
+  set_target_properties(JSONC::jsonc PROPERTIES
+    IMPORTED_LOCATION "${JSONC_LIBRARY}"
+    INTERFACE_COMPILE_OPTIONS "${PC_JSONC_CFLAGS_OTHER}"
+    INTERFACE_INCLUDE_DIRECTORIES "${JSONC_INCLUDE_DIRS}"
+  )
+endif()
+
+mark_as_advanced(
+  JSONC_INCLUDE_DIR
+  JSONC_LIBRARY
+)
+
diff --git a/cmake/modules/FindLIBNET.cmake b/cmake/modules/FindLIBNET.cmake
new file mode 100644
index 0000000..0398212
--- /dev/null
+++ b/cmake/modules/FindLIBNET.cmake
@@ -0,0 +1,111 @@
+# Copyright 2013 Ettercap Development Team.
+#
+# Distributed under GPL license.
+#
+
+# Look for the header file
+find_path(LIBNET_INCLUDE_DIR
+      NAMES libnet.h
+      PATH_SUFFIXES libnet11 libnet-1.1)
+mark_as_advanced(LIBNET_INCLUDE_DIR)
+
+#Look for the library
+find_library(LIBNET_LIBRARY
+      NAMES net libnet
+      PATH_SUFFIXES libnet11 libnet-1.1)
+mark_as_advanced(LIBNET_LIBRARY)
+
+# Make sure we've got an include dir.
+if(NOT LIBNET_INCLUDE_DIR)
+  if(LIBNET_FIND_REQUIRED AND NOT LIBNET_FIND_QUIETLY)
+    message(FATAL_ERROR "Could not find LIBNET include directory.")
+  endif()
+  return()
+endif()
+
+if(NOT LIBNET_LIBRARY)
+  if(LIBNET_FIND_REQUIRED AND NOT LIBNET_FIND_QUIETLY)
+    message(FATAL_ERROR "Could not find LIBNET library.")
+  endif()
+  return()
+endif()
+
+#=============================================================
+# _LIBNET_GET_VERSION
+# Internal function to parse the version number in libnet.h
+#   _OUT_version = The full version number
+#   _OUT_version_major = The major version number only
+#   _OUT_version_minor = The minor version number only
+#   _libnet_hdr = Header file to parse
+#=============================================================
+function(_LIBNET_GET_VERSION _OUT_version _OUT_version_major _OUT_version_minor _libnet_hdr)
+  file(READ ${_libnet_hdr} _contents)
+  if(_contents)
+    string(REGEX REPLACE ".*#define LIBNET_VERSION[ \t]+\"([0-9.a-zA-Z-]+)\".*" "\\1" ${_OUT_version} "${_contents}")
+
+    if(NOT ${_OUT_version} MATCHES "[0-9.a-zA-Z-]+")
+      message(FATAL_ERROR "Version parsing failed for LIBNET_VERSION!")
+    endif()
+
+    set(${_OUT_version} ${${_OUT_version}} PARENT_SCOPE)
+
+    string(REGEX REPLACE "^([0-9]+)\\.[0-9]+.*" "\\1" ${_OUT_version_major} "${${_OUT_version}}")
+    string(REGEX REPLACE "^[0-9]+\\.([0-9]+).*" "\\1" ${_OUT_version_minor} "${${_OUT_version}}")
+
+      if(NOT ${_OUT_version_major} MATCHES "[0-9]+" OR NOT ${_OUT_version_minor} MATCHES "[0-9]+")
+        message(FATAL_ERROR "Version parsing failed for detailed LIBNET_VERSION!:
+'${_OUT_version}' '${_OUT_version_major}' '${_OUT_version_minor}'")
+      endif()
+
+    set(${_OUT_version_major} ${${_OUT_version_major}} PARENT_SCOPE)
+    set(${_OUT_version_minor} ${${_OUT_version_minor}} PARENT_SCOPE)
+
+  else()
+    message(FATAL_ERROR "Include file ${_libnet_hdr} does not exist")
+  endif()
+endfunction()
+
+if(LIBNET_FIND_VERSION)
+  set(LIBNET_FAILED_VERSION_CHECK true)
+  _libnet_get_version(LIBNET_VERSION LIBNET_VERSION_MAJOR LIBNET_VERSION_MINOR ${LIBNET_INCLUDE_DIR}/libnet.h)
+
+  if(LIBNET_FIND_VERSION_EXACT)
+    if(LIBNET_VERSION VERSION_EQUAL LIBNET_FIND_VERSION)
+      set(LIBNET_FAILED_VERSION_CHECK false)
+    endif()
+  else()
+    if(LIBNET_VERSION VERSION_EQUAL   LIBNET_FIND_VERSION OR
+      LIBNET_VERSION VERSION_GREATER LIBNET_FIND_VERSION)
+      set(LIBNET_FAILED_VERSION_CHECK false)
+    endif()
+  endif()
+
+  if(LIBNET_FAILED_VERSION_CHECK)
+    if(LIBNET_FIND_REQUIRED AND NOT LIBNET_FIND_QUIETLY)
+      if(LIBNET_FIND_VERSION_EXACT)
+        message(FATAL_ERROR "LIBNET version check failed.
+Version ${LIBNET_VERSION} was found, version ${LIBNET_FIND_VERSION} is needed exactly.")
+      else()
+      message(FATAL_ERROR "LIBNET version check failed.
+Version ${LIBNET_VERSION} was found, at least version ${LIBNET_FIND_VERSION} is required")
+      endif()
+    endif()
+
+    # If the version check fails, exit out of the module here
+    return()
+  endif()
+
+endif()
+
+#handle the QUIETLY and REQUIRED arguments and set LIBNET_FOUND to TRUE if
+# all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(LIBNET DEFAULT_MSG LIBNET_LIBRARY LIBNET_INCLUDE_DIR)
+
+if(LIBNET_FOUND)
+  set(LIBNET_LIBRARY ${LIBNET_LIBRARY})
+  set(LIBNET_INCLUDE_DIR ${LIBNET_INCLUDE_DIR})
+  set(LIBNET_VERSION ${LIBNET_VERSION})
+  set(LIBNET_VERSION_MAJOR ${LIBNET_VERSION_MAJOR})
+  set(LIBNET_VERSION_MINOR ${LIBNET_VERSION_MINOR})
+endif()
diff --git a/cmake/modules/FindPCAP.cmake b/cmake/modules/FindPCAP.cmake
new file mode 100644
index 0000000..bab6448
--- /dev/null
+++ b/cmake/modules/FindPCAP.cmake
@@ -0,0 +1,86 @@
+# - Try to find libpcap include dirs and libraries
+#
+# Usage of this module as follows:
+#
+#     find_package(PCAP)
+#
+# Variables used by this module, they can change the default behaviour and need
+# to be set before calling find_package:
+#
+#  PCAP_ROOT_DIR             Set this variable to the root installation of
+#                            libpcap if the module has problems finding the
+#                            proper installation path.
+#
+# Variables defined by this module:
+#
+#  PCAP_FOUND                System has libpcap, include and library dirs found
+#  PCAP_INCLUDE_DIR          The libpcap include directories.
+#  PCAP_LIBRARY              The libpcap library (possibly includes a thread
+#                            library e.g. required by pf_ring's libpcap)
+#  HAVE_PF_RING              If a found version of libpcap supports PF_RING
+
+find_path(PCAP_ROOT_DIR
+    NAMES include/pcap.h Include/pcap.h
+)
+
+find_path(PCAP_INCLUDE_DIR
+    NAMES pcap.h
+    HINTS ${PCAP_ROOT_DIR}/include
+)
+
+if ( MSVC AND COMPILER_ARCHITECTURE STREQUAL "x86_64" )
+    set(_pcap_lib_hint_path ${PCAP_ROOT_DIR}/lib/x64)
+else()
+    set(_pcap_lib_hint_path ${PCAP_ROOT_DIR}/lib)
+endif()
+
+find_library(PCAP_LIBRARY
+    NAMES pcap wpcap
+    HINTS ${_pcap_lib_hint_path}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(PCAP DEFAULT_MSG
+    PCAP_LIBRARY
+    PCAP_INCLUDE_DIR
+)
+
+include(CheckCSourceCompiles)
+set(CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARY})
+check_c_source_compiles("int main() { return 0; }" PCAP_LINKS_SOLO)
+set(CMAKE_REQUIRED_LIBRARIES)
+
+# check if linking against libpcap also needs to link against a thread library
+if (NOT PCAP_LINKS_SOLO)
+    find_package(Threads)
+    if (THREADS_FOUND)
+        set(CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARY} ${CMAKE_THREAD_LIBS_INIT})
+        check_c_source_compiles("int main() { return 0; }" PCAP_NEEDS_THREADS)
+        set(CMAKE_REQUIRED_LIBRARIES)
+    endif ()
+    if (THREADS_FOUND AND PCAP_NEEDS_THREADS)
+        set(_tmp ${PCAP_LIBRARY} ${CMAKE_THREAD_LIBS_INIT})
+        list(REMOVE_DUPLICATES _tmp)
+        set(PCAP_LIBRARY ${_tmp}
+            CACHE STRING "Libraries needed to link against libpcap" FORCE)
+    else ()
+        message(FATAL_ERROR "Couldn't determine how to link against libpcap")
+    endif ()
+endif ()
+
+string(FIND "${PCAP_LIBRARY}" "wpcap" _pcap_lib_is_wpcap)
+if ( _pcap_lib_is_wpcap GREATER_EQUAL 0 )
+    set(HAVE_WPCAP TRUE)
+endif()
+
+include(CheckFunctionExists)
+set(CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARY})
+check_function_exists(pcap_get_pfring_id HAVE_PF_RING)
+check_function_exists(pcap_dump_open_append HAVE_PCAP_DUMP_OPEN_APPEND)
+set(CMAKE_REQUIRED_LIBRARIES)
+
+mark_as_advanced(
+    PCAP_ROOT_DIR
+    PCAP_INCLUDE_DIR
+    PCAP_LIBRARY
+)
diff --git a/common/Makefile.am b/common/Makefile.am
deleted file mode 100644
index 0262e4d..0000000
--- a/common/Makefile.am
+++ /dev/null
@@ -1 +0,0 @@
-SUBDIRS = lib
diff --git a/common/lib/Makefile.am b/common/lib/Makefile.am
deleted file mode 100644
index e69de29..0000000
diff --git a/configure.ac b/configure.ac
deleted file mode 100644
index 5eafab7..0000000
--- a/configure.ac
+++ /dev/null
@@ -1,182 +0,0 @@
-#                                               -*- Autoconf -*-
-# Process this file with autoconf to produce a configure script.
-
-AC_PREREQ([2.69])
-AC_INIT([ssldump], [1.4])
-AM_INIT_AUTOMAKE([subdir-objects])
-AC_CONFIG_SRCDIR([base/pcap-snoop.c])
-AC_CONFIG_HEADERS([config.h])
-
-AC_CANONICAL_HOST
-
-# Checks for programs.
-: ${CFLAGS=""}
-AC_PROG_CC([gcc clang])
-AM_PROG_CC_C_O
-AC_PROG_MAKE_SET
-AC_PROG_INSTALL
-
-# Checks for header files.
-AC_CHECK_HEADERS([arpa/inet.h memory.h netdb.h netinet/in.h stdlib.h string.h sys/param.h sys/socket.h sys/time.h unistd.h],,[AC_MSG_ERROR([Missing header.])])
-AC_HEADER_STDC
-AC_HEADER_TIME
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_CHECK_SIZEOF([unsigned short])
-AC_CHECK_SIZEOF([unsigned int])
-AC_CHECK_SIZEOF([unsigned long])
-AC_CHECK_SIZEOF([unsigned long long])
-
-# Checks for library functions.
-AC_CHECK_FUNCS([malloc realloc gethostbyaddr gettimeofday inet_ntoa isascii memmove memset strchr strdup strstr strtol])
-
-have_pcap=no
-AC_SEARCH_LIBS([pcap_create], [pcap], [have_pcap=yes])
-
-if test "x${have_pcap}" = xyes; then
-	AC_CHECK_HEADERS([pcap.h pcap-bpf.h], [], [have_pcap=no])
-fi
-
-if test "x${have_pcap}" = xno; then
-	AC_MSG_ERROR([
----------------------------------------
-Unable to find libpcap on this system
-Check 'config.log' for more information
-
-On Debian and Ubuntu systems you can
-install the required library and header
-files with
-  apt install libpcap-dev
----------------------------------------
-	])
-fi
-
-have_ssl=no
-AC_SEARCH_LIBS([OPENSSL_init_ssl], [ssl], [have_ssl=yes])
-AC_SEARCH_LIBS(CRYPTO_new_ex_data, [crypto], [have_crypto=yes])
-
-if test "x${have_ssl}" = xyes; then
-	AC_CHECK_HEADERS([openssl/ssl.h], [], [have_ssl=no])
-fi
-
-if test "x${have_ssl}" = xno; then
-	AC_MSG_ERROR([
----------------------------------------
-Unable to find libssl on this system
-Check 'config.log' for more information
-
-On Debian and Ubuntu systems you can
-install the required library and header
-files with
-  apt install libssl-dev
----------------------------------------
-	])
-fi
-
-have_libnet=no
-AC_SEARCH_LIBS([libnet_init], [net], [have_libnet=yes])
-
-if test "x${have_libnet}" = xyes; then
-	AC_CHECK_HEADERS([libnet.h], [], [have_libnet=no])
-fi
-
-if test "x${have_libnet}" = xno; then
-	AC_MSG_ERROR([
----------------------------------------
-Unable to find libnet on this system
-Check 'config.log' for more information
-
-On Debian and Ubuntu systems you can
-install the required library and header
-files with
-  apt install libnet1-dev
----------------------------------------
-	])
-fi
-
-have_libjson_c=no
-AC_SEARCH_LIBS([json_object_new_object], [json-c], [have_libjson_c=yes])
-
-if test "x${have_libjson_c}" = xyes; then
-	AC_CHECK_HEADERS([json-c/json.h], [], [have_libjson_c=no])
-fi
-
-if test "x${have_libjson_c}" = xno; then
-	AC_MSG_ERROR([
----------------------------------------
-Unable to find libjson-c on this system
-Check 'config.log' for more information
-
-On Debian and Ubuntu systems you can
-install the required library and header
-files with
-  apt install libjson-c-dev
----------------------------------------
-	])
-fi
-
-AC_ARG_ENABLE([optimization],
-	[  --disable-optimization  disable compiler optimizations],
-	[optimization=${enableval}], [optimization=yes])
-
-if test "x${optimization}" = xno; then
-	CFLAGS="$CFLAGS -O0"
-else
-	CFLAGS="$CFLAGS -O2"
-fi
-
-AC_ARG_ENABLE([debug],
-	[  --enable-debug	  enable debug info],
-	[debug=${enableval}], [debug=no])
-
-if test "x${debug}" = xyes; then
-	CFLAGS="$CFLAGS -g -DDEBUG"
-fi
-
-AC_ARG_ENABLE([asan],
-	[  --enable-asan		  enable AddressSanitizer and other checks],
-	[asan=${enableval}], [asan=no])
-
-if test "x${asan}" = xyes; then
-	AS_CASE([$CC],
-	[*gcc*], [AC_CHECK_LIB(asan, _init)],
-	[*clang*], [have_clang=yes],
-        [have_clang=no])
-
-	if (test "x${ac_cv_lib_asan__init}" = xyes || test "x$have_clang" = xyes); then
-		CFLAGS="$CFLAGS \
--fsanitize=address,undefined,leak \
--Wformat \
--Werror=format-security \
--Werror=array-bounds"
-	else
-		AC_MSG_WARN("AddressSanitizer not supported")
-		asan=no
-	fi
-fi
-
-AC_CONFIG_FILES([Makefile
-                 common/Makefile
-                 common/lib/Makefile
-                 null/Makefile
-                 ssl/Makefile
-                 pcap/Makefile
-                 base/Makefile])
-
-AC_OUTPUT
-
-echo
-echo "################################################"
-echo "SSLDump build setup"
-echo "	Host system:		$host_os"
-echo "	Host architecture:	$host_cpu"
-echo "	Compiler:		$CC"
-echo "	Installation prefix:    $prefix"
-echo "	CFLAGS:    		$CFLAGS"
-echo "	LDFLAGS:    		$LDFLAGS"
-echo "	LIBS:    		$LIBS"
-echo "	Optimizations enabled:  $optimization"
-echo "	Debug info enabled:	$debug"
-echo "	ASAN enabled:		$asan"
-echo "################################################"
-
diff --git a/null/Makefile.am b/null/Makefile.am
deleted file mode 100644
index e69de29..0000000
diff --git a/pcap/Makefile.am b/pcap/Makefile.am
deleted file mode 100644
index e69de29..0000000
diff --git a/pcap/pcap_logger.c b/pcap/pcap_logger.c
index 4f76eed..a2ada57 100644
--- a/pcap/pcap_logger.c
+++ b/pcap/pcap_logger.c
@@ -1,7 +1,9 @@
 
 #include <pcap.h>
 #include <unistd.h>
+#ifndef __OpenBSD__
 #include <pcap-bpf.h>
+#endif
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
diff --git a/ssl/Makefile.am b/ssl/Makefile.am
deleted file mode 100644
index e69de29..0000000
diff --git a/ssl/ssl.enums.c b/ssl/ssl.enums.c
index 2ecbd63..0f4eb4f 100644
--- a/ssl/ssl.enums.c
+++ b/ssl/ssl.enums.c
@@ -1,4 +1,4 @@
-#include <json-c/json.h>
+#include <json.h>
 #include <openssl/md5.h>
 #include "network.h"
 #include "ssl_h.h"
diff --git a/ssl/ssl_analyze.c b/ssl/ssl_analyze.c
index 188f2b7..de2d7f0 100644
--- a/ssl/ssl_analyze.c
+++ b/ssl/ssl_analyze.c
@@ -44,7 +44,7 @@
  */
 
 
-#include <json-c/json.h>
+#include <json.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 #include "network.h"
diff --git a/ssl/sslprint.c b/ssl/sslprint.c
index 355db29..7e62bbb 100644
--- a/ssl/sslprint.c
+++ b/ssl/sslprint.c
@@ -44,7 +44,7 @@
  */
 
 
-#include <json-c/json.h>
+#include <json.h>
 #include <ctype.h>
 #include <stdarg.h>
 #include "network.h"
diff --git a/ssl/sslxprint.c b/ssl/sslxprint.c
index 4127eb4..3e0f02a 100644
--- a/ssl/sslxprint.c
+++ b/ssl/sslxprint.c
@@ -44,7 +44,7 @@
  */
 
 
-#include <json-c/json.h>
+#include <json.h>
 #include "network.h"
 #include "ssl_h.h"
 #include "sslprint.h"
diff --git a/ssldump.1 b/ssldump.1
index 027aca7..474c309 100644
--- a/ssldump.1
+++ b/ssldump.1
@@ -61,7 +61,7 @@ ssldump \- dump SSL traffic on a network
 .na
 .B ssldump
 [
-.B \-aAdeFHjnNPqtTvxXy
+.B \-aAdeFHjnNPqtTvxXyz
 ] [
 .B \-i
 .I interface
diff --git a/ssldump.md b/ssldump.md
index bab1e49..aa61f2d 100644
--- a/ssldump.md
+++ b/ssldump.md
@@ -3,7 +3,7 @@
 9th April 2023 - version 1.7
 
 ```
-.na ssldump [ -aAdeFHjnNPqtTvxXy ] [ -i interface ]
+.na ssldump [ -aAdeFHjnNPqtTvxXyz ] [ -i interface ]
 .ti +8 [ -k keyfile ] [ -l sslkeylogfile ] [ -p password ] [ -r dumpfile ] [ -w outputpcap ]
 .ti +8 [ -S [ crypto | d | ht | H | nroff ] ] [ expression ]
 
@@ -138,6 +138,8 @@ _/dev/bpf*_.
 * **-y**  
   Decorate the output for processing with nroff/troff. Not very
   useful for the average user.
+* **-z**
+  Add timestamp in front of TCP packet description (-T)
 * _expression_  
       Selects what packets _ssldump_ will examine. Technically speaking,
       _ssldump_ supports the full expression syntax from PCAP and tcpdump.