Eu instalei um servidor OpenVPN no roteador OpenWrt 10.03 [recém-criado]: link
echo "nameserver 8.8.8.8" > /etc/resolv.conf; opkg update; opkg install luci-app-openvpn openvpn openssl-util openssh-sftp-server ntpd
vim /etc/ssl/openssl.cnf # modify a few lines
[ CA_default ]
dir = /etc/openvpn
new_certs_dir = $dir/certs
certificate = $dir/ca.crt
private_key = $dir/ca.key
touch /etc/openvpn/index.txt; touch /etc/openvpn/serial; echo 01 > /etc/openvpn/serial
openssl req -nodes -new -x509 -keyout /etc/openvpn/ca.key -out /etc/openvpn/ca.crt -days 3650 # give a common name, like: vpnserver
openvpn --genkey --secret /etc/openvpn/ta.key
openssl req -nodes -new -keyout /etc/openvpn/server.key -out /etc/openvpn/server.csr # give a common name, like: vpnserver
mkdir -p /etc/openvpn/certs; mkdir -p /etc/openvpn/private
openssl ca -out /etc/openvpn/server.crt -in /etc/openvpn/server.csr
time openssl dhparam -out /etc/openvpn/dh1024.pem 1024 # it could take 10 minutes!
# generate certs for clients [X = client number]
openssl req -nodes -new -keyout /etc/openvpn/clientX.key -out /etc/openvpn/clientX.csr # give a common name! it will be the user name
openssl ca -out /etc/openvpn/clientX.crt -in /etc/openvpn/clientX.csr
# e.g.:
openssl req -nodes -new -keyout /etc/openvpn/client1.key -out /etc/openvpn/client1.csr # give a common name! it will be the user name
openssl ca -out /etc/openvpn/client1.crt -in /etc/openvpn/client1.csr
vim /etc/config/openvpn
config 'openvpn' 'openvpn_server'
option 'enable' '1'
option 'port' '1194'
option 'proto' 'udp'
option 'dev' 'tap'
option 'ca' '/etc/openvpn/ca.crt'
option 'cert' '/etc/openvpn/server.crt'
option 'key' '/etc/openvpn/server.key'
option 'tls_auth' '/etc/openvpn/ta.key 0' # server: 0
option 'dh' '/etc/openvpn/dh1024.pem'
option 'comp_lzo' '1'
option 'server' '10.20.30.0 255.255.255.0'
option 'keepalive' '10 120'
option 'persist_key' '1'
option 'persist_tun' '1'
option 'mute' '20'
option 'verb' '3'
option 'client_to_client' '1'
list 'push' 'dhcp-option DNS 10.20.30.1'
/etc/init.d/openvpn enable
/etc/init.d/openvpn start
ifconfig -a | less
ping 10.20.30.1
# here comes the firewall part
vim /etc/config/firewall # modify it
config 'include'
option 'path' '/etc/firewall.user'
config 'redirect'
option 'src' 'wan'
option 'proto' 'udp'
option 'src_dport' '1194'
option 'dest_port' '1194'
option '_name' 'OpenVPN'
vim /etc/firewall.user # modify it
iptables -t nat -A prerouting_rule -i $WAN -p udp --dport 11194 -j ACCEPT
iptables -A input_rule -i $WAN -p udp --dport 11194 -j ACCEPT
iptables -A forwarding_rule -i tap+ -o br-lan -j ACCEPT
iptables -A forwarding_rule -i br-lan -o tap+ -j ACCEPT
iptables -A input_rule -i tap+ -j ACCEPT
iptables -A output_rule -o tap -j ACCEPT
/etc/init.d/firewall restart
# tar the files that goes to the client1
mkdir -p /root/client1
cp /etc/openvpn/ca.crt /root/client1/; cp /etc/openvpn/client1.crt /root/client1/; cp /etc/openvpn/client1.key /root/client1/; cp /etc/openvpn/ta.key /root/client1/
cd /root/; tar -cf client1.tar client1
Parece "ok".
Eu conecto meu pc à porta lan do roteador e quero testá-lo. Estou usando o Fedora 14 com o GNOME. No applet NetworkManager eu configuro essas coisas: isso e isso Está bem! Eu tento me conectar, mas isso falha. Aqui estão os registros: link
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> Starting VPN service 'openvpn'...
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> VPN service 'openvpn' started (org.freedesktop.NetworkManager.openvpn), PID 23552
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> VPN service 'openvpn' appeared; activating connections
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> VPN plugin state changed: 1
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> VPN plugin state changed: 3
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> VPN connection 'elsovpn' (Connect) reply received.
Mar 7 15:42:43 ASDF nm-openvpn[23554]: OpenVPN 2.1.1 i686-redhat-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] built on Jan 5 2010
Mar 7 15:42:43 ASDF nm-openvpn[23554]: WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Mar 7 15:42:43 ASDF nm-openvpn[23554]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Mar 7 15:42:43 ASDF nm-openvpn[23554]: Cannot load certificate file /home/g/Desktop/client1/client1.crt: error:0200100D:system library:fopen:Permission denied: error:20074002:BIO routines:FILE_CTRL:system lib: error:140AD002:SSL routines:SSL_CTX_use_certificate_file:system lib
Mar 7 15:42:43 ASDF nm-openvpn[23554]: Exiting
Mar 7 15:42:43 ASDF kernel: [55630.235164] type=1400 audit(1299508963.340:23608): avc: denied { read } for pid=23554 comm="openvpn" name="client1.crt" dev=dm-1 ino=3019385 scontext=system_u:system_r:openvpn_t:s0 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file
Mar 7 15:42:43 ASDF NetworkManager[1458]: <warn> VPN plugin failed: 1
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> VPN plugin state changed: 6
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> VPN plugin state change reason: 0
Mar 7 15:42:43 ASDF NetworkManager[1458]: <warn> error disconnecting VPN: Could not process the request because no VPN connection was active.
Mar 7 15:42:43 ASDF NetworkManager[1458]: <info> Policy set 'Auto Ethernet' (eth0) as default for IPv4 routing and DNS.
Mar 7 15:42:49 ASDF NetworkManager[1458]: <info> VPN service 'openvpn' disappeared
uma coisa importante: meu endereço IP dos roteadores [aquele com o servidor openvpn] é 192.168.1.2, e eu não tive que escrevê-lo em nenhum lugar. Então, como poderia o applet networkmanager saber o endereço IP do meu servidor openvpn? Eu acho que este é o problema, mas eu simplesmente não consigo encontrar onde escrever 192.168.1.2
p.s .: sim, tentei pesquisar no Google por: "Nenhum método de verificação de certificado do servidor foi ativado." mas eu não encontrei nada, e estou tentando por horas agora ...: \
p.s. [novamente ..]: sim, tentei pesquisar no Google por: "Nenhum método de verificação de certificado do servidor foi ativado." mas eu não encontrei nada, e estou tentando por horas agora ...: \
p .: se eu fizer isso no roteador:
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P POSTROUTING ACCEPT
iptables -t nat -P OUTPUT ACCEPT
iptables -t mangle -P PREROUTING ACCEPT
iptables -t mangle -P OUTPUT ACCEPT
e stat tcpdump, e tente conectar do meu pc, nada acontece! .. então o bug está no applet networkmanager!?
novamente, p.s .: se eu fizer isso:
$ telnet 192.168.1.2 1197
Trying 192.168.1.2...
telnet: connect to address 192.168.1.2: Connection refused
$connbsp;
Há algum bom tutorial sobre como configurar esse tipo de openvpn [como no link pastebin, em um roteador openwrt ..]? Vale a pena encontrar outro programa cliente openvpn? [outro então o applet do gerenciador de rede]
