diff --git a/.gitignore b/.gitignore
index 9ff0144..4da8154 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /v1.1.2.tar.gz
 /zmap-1.2.0.tar.gz
 /zmap-1.2.1.tar.gz
+/zmap-2.1.0.tar.gz
diff --git a/0001-Fix-broken-conf-installation.patch b/0001-Fix-broken-conf-installation.patch
new file mode 100644
index 0000000..a217edf
--- /dev/null
+++ b/0001-Fix-broken-conf-installation.patch
@@ -0,0 +1,44 @@
+From 7940d5311eb0f869bac2e7a9561ba22f69a05424 Mon Sep 17 00:00:00 2001
+From: Christopher Meng <i@cicku.me>
+Date: Sat, 5 Sep 2015 17:14:58 +0800
+Subject: [PATCH] Fix broken conf installation
+
+install(SCRIPT) doesn't read variable from project cmakefile, instead of hacking more on this single file with less than 10 lines, why not merge back to one file?
+---
+ CMakeLists.txt | 14 ++++++++++++--
+ 1 file changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d2afb37..6a06cbf 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -124,14 +124,24 @@ add_subdirectory(src)
+ 
+ # Install conf files
+ 
+-FILE(GLOB CONF_FILES "${PROJECT_SOURCE_DIR}/conf/*")
+ if (RESPECT_INSTALL_PREFIX_CONFIG)
+     set(CONFIG_DESTINATION "etc/zmap")
+ else()
+     set(CONFIG_DESTINATION "/etc/zmap")
+ endif()
+ 
+-install(SCRIPT InstallConfFiles.cmake)
++FILE(GLOB CONF_FILES "${PROJECT_SOURCE_DIR}/conf/*")
++
++foreach(EACH_CONF ${CONF_FILES})
++    get_filename_component(CONF_BASENAME ${EACH_CONF} NAME)
++    message(STATUS "Default ZMap configuration file location is /etc/zmap")
++    message(STATUS "Checking if ${CONF_BASENAME} exists there...")
++    if(NOT EXISTS "/etc/zmap/${CONF_BASENAME}")
++        install(FILES ${EACH_CONF} DESTINATION ${CONFIG_DESTINATION})
++    else()
++        message(WARNING "Existing configuration file detected at /etc/zmap/${CONF_BASENAME}, it will NOT be installed. Please check and install manually!")
++    endif()
++endforeach()
+ 
+ # Allow Debian Packaging
+ INCLUDE (InstallRequiredSystemLibraries)
+-- 
+2.5.1
+
diff --git a/sources b/sources
index e28dcd2..863207f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-3e740b54c88c29bb03494b986f440b51  zmap-1.2.1.tar.gz
+0e6b9b0628eb1d3360fbd9ea56e36693  zmap-2.1.0.tar.gz
diff --git a/zmap.spec b/zmap.spec
index c83a7a7..c7f7d44 100644
--- a/zmap.spec
+++ b/zmap.spec
@@ -1,18 +1,29 @@
+%bcond_with     pfring
+%bcond_without  hiredis
+%bcond_with     mongodb
+%bcond_without  debug
+
 Name:           zmap
-Version:        1.2.1
+Version:        2.1.0
 Release:        1%{?dist}
 Summary:        Network scanner for Internet-wide network studies
 License:        ASL 2.0
 URL:            https://zmap.io
 Source0:        https://github.com/%{name}/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
+Patch0:         0001-Fix-broken-conf-installation.patch
 BuildRequires:  byacc
 BuildRequires:  cmake
 BuildRequires:  flex
 BuildRequires:  gengetopt
 BuildRequires:  gmp-devel
+%if %{with hiredis}
 BuildRequires:  hiredis-devel
+%endif
 BuildRequires:  json-c-devel
 BuildRequires:  libpcap-devel
+%if %{with mongodb}
+BuildRequires:  pkgconfig(libmongoc-1.0)
+%endif
 
 %description
 ZMap is an open-source network scanner that enables researchers to easily 
@@ -34,25 +45,44 @@ scanning.
 
 %prep
 %setup -q
+%patch0 -p1
+# Custom flags from upstream should be put in the front as preferred.
+sed -i 's|${CMAKE_C_FLAGS} ${GCCWARNINGS}|${GCCWARNINGS} ${CMAKE_C_FLAGS}|g;s|${CMAKE_EXE_LINKER_FLAGS} ${LDHARDENING}|${LDHARDENING} ${CMAKE_EXE_LINKER_FLAGS}|g' CMakeLists.txt
 
 %build
-%cmake -DWITH_JSON=ON -DWITH_REDIS=ON
+%cmake -DWITH_JSON=ON     \
+%if %{with mongodb}
+       -DWITH_MONGO=ON    \
+%endif
+%if %{with hiredis}
+       -DWITH_REDIS=ON    \
+%endif
+       -DWITH_PFRING=OFF
+
 make %{?_smp_mflags}
 
 chmod 644 -v examples/udp-probes/*
-find ./examples/ -type f -exec sed -i 's/\r$//' {} ";"
+find ./examples/ -type f -exec sed -i 's/\r$//' {} \+
 
 %install
 %make_install
 
 %files
-%doc AUTHORS CHANGELOG LICENSE README examples/
+%doc AUTHORS CHANGELOG README* examples/
+%license LICENSE
 %dir %{_sysconfdir}/%{name}
 %config(noreplace) %{_sysconfdir}/%{name}/*
-%{_sbindir}/%{name}
-%{_mandir}/man1/%{name}.1*
+%{_sbindir}/zmap
+%{_sbindir}/zblacklist
+%{_sbindir}/ztee
+%{_mandir}/man1/zmap.1*
+%{_mandir}/man1/zblacklist.1*
+%{_mandir}/man1/ztee.1*
 
 %changelog
+* Thu Sep 03 2015 Christopher Meng <rpm@cicku.me> - 2.1.0-1
+- Update to 2.1.0
+
 * Sun Jul 20 2014 Christopher Meng <rpm@cicku.me> - 1.2.1-1
 - Update to 1.2.1