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Rocky Linux 9 version, cleanups

This commit is contained in:
Joerg Lehmann 2022-10-19 19:21:24 +02:00
parent 67a184fafe
commit d7797e4b1e
21 changed files with 49 additions and 598 deletions
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78
README.md
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@ -1,23 +1,22 @@
## INSTALLATION
Installation CentOS 7 Minimal
Installation Rocky Linux 9 Minimal
Partitionierung (LVM; XFS als Filesystem):
```
/boot 500 MB
/ 50 GB
/home 73 GB
swap 4 GB
/boot 1 GB
/ XXX GB
swap X GB
```
Netzwerkkonfiguration:
```
Hostname: ryovpn.rych01.rychiger.com
Hostname: ryovpn01.rych01.rychiger.com
DNS: 8.8.8.8
NTP: server 0.centos.pool.ntp.org iburst
server 1.centos.pool.ntp.org iburst
server 2.centos.pool.ntp.org iburst
server 3.centos.pool.ntp.org iburst
NTP: XXXXXX
XXXXXX
TODO:
TYPE="Ethernet"
NAME="enp0s10f0"
@ -41,20 +40,25 @@ GATEWAY=192.168.99.1
UUID=9c92fad9-6ecb-3e6c-eb4d-8a47c6f50c04
```
Installation diverse Pakete
```
# yum install kbd-legacy
# dracut -f
```
Anschliessend Installation OpenVPN:
```
# yum install epel-release
# yum install openvpn -y
Noch ein paar Zusatzpakete:
# yum install mailx -y
# yum install s-nail -y
# yum install git -y
# yum install net-tools -y
# yum install policycoreutils-devel -y
# yum install bridge-utils -y
# yum install tcpdump -y
# yum install chrony -y
# yum install py-bcrypt -y
# yum install python3-bcrypt -y
```
Wegen Entropy:
@ -66,29 +70,22 @@ Test:
# cat /proc/sys/kernel/random/entropy_avail
```
Wegen Time-Sync Meldungen:
```
# cat /etc/rsyslog.d/time_msg.conf
:msg, contains, "Time has been changed" ~
```
Wegen fehlerhafter HW-Clock:
/etc/cron.d/sync-hw-clock:
```
MAILTO=root
*/10 * * * * root /sbin/hwclock --systohc
```
Installation NGINX (Zugang fuer Statusabfragen):
```
# yum install nginx
# systemctl enable nginx
Konfiguration /etc/nginx/nginx.conf:
...
root /opt/openvpn/status;
...
Installation von altem Server oder git uebernehmen...
# cd /opt
# git clone https://gitlab.com/drpuur/rych-openvpn.git openvpn # use personal access token in Gitlab
SELinux:
# semanage fcontext -a -t httpd_sys_content_t /opt/openvpn/status/openvpnserver-status.log
# semanage fcontext -a -t httpd_sys_content_t /opt/openvpn/status/openvpnserver-status-443.log
@ -107,11 +104,11 @@ Prinzipieller Aufbau:
enp0s10f0: Netzwerkinterface Richtung Internet
enp0s10f1: Netzwerkinterface Richtung Intranet
enp0s10f0 (192.168.99.11) ==> hier hoert OpenVPN und bildet das Device tap0
enp0s10f0 (192.168.99.11/24) ==> hier hoert OpenVPN und bildet das Device tap0
Eine zweite OpenVPN Instanz bildet das Device tap1 (443/TCP)
-- enp0s10f0 => tap0 --+-- br0 (10.3.5.1)
-- enp0s10f0 => tap0 --+-- br0 (10.3.5.1/16)
tap1 |
-- enp0s10f1 ----------+
```
@ -161,17 +158,9 @@ COMMIT
```
```
/etc/sysctl.conf:
# System default settings live in /usr/lib/sysctl.d/00-system.conf.
# To override those settings, enter new settings here, or in an /etc/sysctl.d/<name>.conf file
#
# For more information, see sysctl.conf(5) and sysctl.d(5).
#net.ipv4.ip_forward = 1
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv6.conf.default.autoconf = 0
net.ipv6.conf.all.autoconf = 0
Disable IPv6:
# nmcli connection modify <Connection Name> ipv6.method "disabled"
```
```
@ -196,8 +185,6 @@ MAILTO=root
/etc/hosts:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
#::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
10.3.5.2 ewonshare
```
Startup mit Systemd einrichten:
@ -218,3 +205,12 @@ User anlegen:
# useradd -m -g sysoper -s /opt/openvpn/sysoper/sysoper_shell sysoper
# passwd sysoper
```
Git Config:
```
# cat .gitconfig
[user]
name = Joerg Lehmann
email = joerg.lehmann@nbit.ch
[http]
sslVerify = false
```

13
bin/shutdown.sh.05jul2016
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@ -1,13 +0,0 @@
#!/bin/bash
# Zuerst stoppen wir Openvpn
pkill openvpn
# Dann unmounten wir den CIFS-Share
#/bin/umount /opt/openvpn/status
/bin/systemctl stop opt-openvpn-status.mount
#/bin/sleep 15
# Dann stoppen wir die Bridge mit TAP-Device
/opt/openvpn/scripts/bridge-stop.sh

13
bin/shutdown.sh.13oct2016
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@ -1,13 +0,0 @@
#!/bin/bash
# Zuerst stoppen wir Openvpn
/bin/pkill openvpn
# Dann unmounten wir den CIFS-Share
#/bin/umount /opt/openvpn/status
/bin/systemctl stop opt-openvpn-status.mount
#/bin/sleep 15
# Dann stoppen wir die Bridge mit TAP-Device
/opt/openvpn/scripts/bridge-stop.sh

8
bin/shutdown.sh.new
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@ -1,8 +0,0 @@
#!/bin/bash
# Zuerst stoppen wir Openvpn
/bin/pkill openvpn
# Dann stoppen wir die Bridge mit TAP-Device
/opt/openvpn/scripts/bridge-stop.sh

12
bin/startup.sh.05jul2016
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@ -1,12 +0,0 @@
#!/bin/bash
# Zuerst starten wir die Bridge mit TAP-Device
/opt/openvpn/scripts/bridge-start.sh
# Dann mounten wir den CIFS-Share
# (wird fuer Status-File gebraucht)
#/bin/mount /opt/openvpn/status
/bin/systemctl start opt-openvpn-status.mount
#
# Dann starten wir Openvpn
/sbin/openvpn /opt/openvpn/config/server.conf

15
bin/startup.sh.13oct2016
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@ -1,15 +0,0 @@
#!/bin/bash
# Zuerst starten wir die Bridge mit TAP-Device
/opt/openvpn/scripts/bridge-start.sh
# Pause...
sleep 10
# Dann mounten wir den CIFS-Share
# (wird fuer Status-File gebraucht)
#/bin/mount /opt/openvpn/status
/bin/systemctl start opt-openvpn-status.mount
#
# Dann starten wir Openvpn
/sbin/openvpn /opt/openvpn/config/server.conf

12
bin/startup.sh.31aug2016
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@ -1,12 +0,0 @@
#!/bin/bash
# Zuerst starten wir die Bridge mit TAP-Device
/opt/openvpn/scripts/bridge-start.sh
# Dann mounten wir den CIFS-Share
# (wird fuer Status-File gebraucht)
#/bin/mount /opt/openvpn/status
/bin/systemctl start opt-openvpn-status.mount
#
# Dann starten wir Openvpn
/sbin/openvpn /opt/openvpn/config/server.conf

25
bin/startup.sh.31aug2016-with-loop
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@ -1,25 +0,0 @@
#!/bin/bash
IP_OF_CIFS_SERVER=10.3.5.2
# Zuerst starten wir die Bridge mit TAP-Device
/opt/openvpn/scripts/bridge-start.sh
# Wir warten, bis ein ping erfolgreich ist...
((count = 20)) # Maximum number to try.
while [[ $count -ne 0 ]] ; do
ping -q -c 1 -W 1 $IP_OF_CIFS_SERVER >/dev/null # Try once.
rc=$?
if [[ $rc -eq 0 ]] ; then
((count = 1)) # If okay, flag to exit loop.
fi
((count = count - 1)) # So we don't go forever.
done
# Dann mounten wir den CIFS-Share
# (wird fuer Status-File gebraucht)
#/bin/mount /opt/openvpn/status
/bin/systemctl start opt-openvpn-status.mount
#
# Dann starten wir Openvpn
/sbin/openvpn /opt/openvpn/config/server.conf

4
config/server-443.conf
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@ -9,7 +9,7 @@ script-security 3
writepid /var/run/openvpn-server/myopenvpn-443.pid
; ciphers
tls-cipher "DEFAULT"
tls-cipher "DEFAULT:@SECLEVEL=0"
; tunnel configuration
dev tap1
@ -36,7 +36,7 @@ client-disconnect /opt/openvpn/scripts/logoff.sh
management localhost 6667
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
dh /opt/openvpn/private/dh2048.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/ewon.rychiger.com-cert.pem
key /opt/openvpn/private/ewon.rychiger.com-key.pem

51
config/server-443.conf.22feb2019
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@ -1,51 +0,0 @@
mode server
daemon
tls-server
proto tcp
port 443
local 192.168.99.11
client-config-dir /opt/openvpn/ccd
script-security 3
writepid /var/run/openvpn-server/myopenvpn-443.pid
; ciphers
tls-cipher "DEFAULT"
; tunnel configuration
dev tap1
server-bridge 10.3.5.1 255.255.0.0 10.3.6.1 10.3.7.254
passtos
comp-lzo
persist-key
persist-tun
persist-local-ip
persist-remote-ip
; loggin and status
ifconfig-pool-persist /opt/openvpn/leases/openvpn-443.leases
status-version 2
status /opt/openvpn/status/openvpnserver-status-443.log 5;
verb 3
client-connect /opt/openvpn/scripts/logon.sh
client-disconnect /opt/openvpn/scripts/logoff.sh
; routing
;push "route 10.3.0.0 255.255.0.0"
; management
management localhost 6667
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/hostcert.pem
key /opt/openvpn/private/hostkey.pem
verify-client-cert none
username-as-common-name
auth-user-pass-verify /opt/openvpn/scripts/openvpn-auth.py via-env
;client-to-client
keepalive 10 60
max-clients 50
; explicit exit
push "explicit-exit-notify"

48
config/server-443.conf.5jul2018
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@ -1,48 +0,0 @@
mode server
daemon
tls-server
proto tcp
port 443
local 192.168.99.11
client-config-dir /opt/openvpn/ccd
script-security 3
writepid /var/run/openvpn-server/myopenvpn-443.pid
; tunnel configuration
dev tap1
server-bridge 10.3.5.1 255.255.0.0 10.3.6.1 10.3.7.254
passtos
comp-lzo
persist-key
persist-tun
persist-local-ip
persist-remote-ip
; loggin and status
ifconfig-pool-persist /opt/openvpn/leases/openvpn-443.leases
status-version 2
status /opt/openvpn/status/openvpnserver-status-443.log 5;
verb 3
client-connect /opt/openvpn/scripts/logon.sh
client-disconnect /opt/openvpn/scripts/logoff.sh
; routing
;push "route 10.3.0.0 255.255.0.0"
; management
management localhost 6667
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/hostcert.pem
key /opt/openvpn/private/hostkey.pem
verify-client-cert none
username-as-common-name
auth-user-pass-verify /opt/openvpn/scripts/openvpn-auth.py via-env
;client-to-client
keepalive 10 60
max-clients 50
; explicit exit
push "explicit-exit-notify"

4
config/server.conf
View File

@ -9,7 +9,7 @@ script-security 3
writepid /var/run/openvpn-server/myopenvpn.pid
; ciphers
tls-cipher "DEFAULT"
tls-cipher "DEFAULT:@SECLEVEL=0"
; tunnel configuration
dev tap0
@ -36,7 +36,7 @@ client-disconnect /opt/openvpn/scripts/logoff.sh
management localhost 6666
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
dh /opt/openvpn/private/dh2048.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/hostcert.pem
key /opt/openvpn/private/hostkey.pem

45
config/server.conf.15sep2016
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@ -1,45 +0,0 @@
mode server
daemon
tls-server
proto udp
port 1194
local 192.168.99.11
client-config-dir /opt/openvpn/ccd
script-security 3
writepid /var/run/openvpn/myopenvpn.pid
; tunnel configuration
dev tap0
server-bridge 10.3.5.1 255.255.0.0 10.3.6.1 10.3.7.254
passtos
comp-lzo
persist-key
persist-tun
persist-local-ip
persist-remote-ip
; loggin and status
ifconfig-pool-persist /opt/openvpn/leases/openvpn.leases
status-version 2
status /opt/openvpn/status/openvpnserver-status.log 30;
verb 3
client-connect /opt/openvpn/scripts/logon.sh
client-disconnect /opt/openvpn/scripts/logoff.sh
; routing
;push "route 10.3.0.0 255.255.0.0"
; management
management localhost 6666
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/hostcert.pem
key /opt/openvpn/private/hostkey.pem
client-cert-not-required
username-as-common-name
auth-user-pass-verify /opt/openvpn/scripts/openvpn-auth.py via-env
;client-to-client
keepalive 10 60
max-clients 50

45
config/server.conf.19sep2016
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@ -1,45 +0,0 @@
mode server
daemon
tls-server
proto udp
port 1194
local 192.168.99.11
client-config-dir /opt/openvpn/ccd
script-security 3
writepid /var/run/openvpn/myopenvpn.pid
; tunnel configuration
dev tap0
server-bridge 10.3.5.1 255.255.0.0 10.3.6.1 10.3.7.254
passtos
comp-lzo
persist-key
persist-tun
persist-local-ip
persist-remote-ip
; loggin and status
ifconfig-pool-persist /opt/openvpn/leases/openvpn.leases
status-version 2
status /opt/openvpn/status/openvpnserver-status.log 5;
verb 3
client-connect /opt/openvpn/scripts/logon.sh
client-disconnect /opt/openvpn/scripts/logoff.sh
; routing
;push "route 10.3.0.0 255.255.0.0"
; management
management localhost 6666
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/hostcert.pem
key /opt/openvpn/private/hostkey.pem
client-cert-not-required
username-as-common-name
auth-user-pass-verify /opt/openvpn/scripts/openvpn-auth.py via-env
;client-to-client
keepalive 10 60
max-clients 50

44
config/server.conf.2jul2016
View File

@ -1,44 +0,0 @@
mode server
daemon
tls-server
proto udp
port 1194
local 192.168.99.11
client-config-dir /opt/openvpn/ccd
script-security 3
; tunnel configuration
dev tap0
server-bridge 10.3.5.1 255.255.0.0 10.3.6.1 10.3.7.254
passtos
comp-lzo
persist-key
persist-tun
persist-local-ip
persist-remote-ip
; loggin and status
ifconfig-pool-persist /opt/openvpn/leases/openvpn.leases
status-version 2
status /opt/openvpn/status/openvpnserver-status.log 30;
verb 3
client-connect /opt/openvpn/scripts/logon.sh
client-disconnect /opt/openvpn/scripts/logoff.sh
; routing
;push "route 10.3.0.0 255.255.0.0"
; management
management localhost 6666
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/hostcert.pem
key /opt/openvpn/private/hostkey.pem
client-cert-not-required
username-as-common-name
auth-user-pass-verify /opt/openvpn/scripts/openvpn-auth.sh via-env
;client-to-client
keepalive 10 60
max-clients 50

48
config/server.conf.5jul2018
View File

@ -1,48 +0,0 @@
mode server
daemon
tls-server
proto udp
port 1194
local 192.168.99.11
client-config-dir /opt/openvpn/ccd
script-security 3
writepid /var/run/openvpn-server/myopenvpn.pid
; tunnel configuration
dev tap0
server-bridge 10.3.5.1 255.255.0.0 10.3.6.1 10.3.7.254
passtos
comp-lzo
persist-key
persist-tun
persist-local-ip
persist-remote-ip
; loggin and status
ifconfig-pool-persist /opt/openvpn/leases/openvpn.leases
status-version 2
status /opt/openvpn/status/openvpnserver-status.log 5;
verb 3
client-connect /opt/openvpn/scripts/logon.sh
client-disconnect /opt/openvpn/scripts/logoff.sh
; routing
;push "route 10.3.0.0 255.255.0.0"
; management
management localhost 6666
; certificates and authentication
dh /opt/openvpn/private/dh1024.pem
ca /opt/openvpn/ca/cacert.pem
cert /opt/openvpn/certs/hostcert.pem
key /opt/openvpn/private/hostkey.pem
verify-client-cert none
username-as-common-name
auth-user-pass-verify /opt/openvpn/scripts/openvpn-auth.py via-env
;client-to-client
keepalive 10 60
max-clients 50
; explicit exit
push "explicit-exit-notify"

5
private/dh1024.pem
View File

@ -1,5 +0,0 @@
-----BEGIN DH PARAMETERS-----
MIGHAoGBAIPEsURCfpqVznQaOYeWUrTyvMBD2N+6V96Saz3VPJ9WfEoPWM/3CkWH
G/wOFuSYCV8pGok9Y+d2N0V45x56CmhJp6CJdD0L9JwHNhXqRdDOxT1emOb43/Kk
CAXggVkAWnA+XFYXol8lYDP9W5XrU7svRfUe33Q/ijHsaY23myqDAgEC
-----END DH PARAMETERS-----

8
private/dh2048.pem Normal file
View File

@ -0,0 +1,8 @@
-----BEGIN DH PARAMETERS-----
MIIBCAKCAQEAyC5BozEDJWU9xKcMEDRxQTyvTKyJ+VhqqJiyiif/LtU1mjTy40Ss
BGO13FjRsXM0VLgl//J/NPi9kfYK5UPSv/mr3TIxMKDRi+U+y48HU2f68XgFhnCE
ePYVwCpOdymOwnYKxtCIwsF4GvNAoLHUIfIwK40BWtpuwB5AbVIkjSCrBWeP9Gxs
g6M06c5G3+xdE/5RqWVtWjnQNutsUrbKTFrBCEBUzElNpYE3mp2cA/8lePtIa8rI
QUHKGcQyln4eH3R/Pt+RETzSybnzliWNfctyiJ7xj/2qYlUdxhlfPipqZbg9u8Jd
NhpXiGhCh2DAcVoRYMERsOkyTKgC6KbBDwIBAg==
-----END DH PARAMETERS-----

143
sysoper/sysoper_shell.05jul2016
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@ -1,143 +0,0 @@
#!/bin/bash
ReadToContinue() {
echo "Return Taste zum fortfahren..."
read
}
AddUser() {
echo -n "Benutzername : "
read username
echo -n "IP Adresse : "
read ip
echo -n "Passwort : "
read pwd
export string_to_hash="${pwd}"
hash="$(/opt/openvpn/sysoper/hashme.py)"
echo "${hash}" > /opt/openvpn/users/${username}.pwd
echo "ifconfig-push ${ip} 255.255.0.0" > /opt/openvpn/ccd/${username}
echo "User ${username} wurde erzeugt"
ReadToContinue
}
ChangePassword() {
echo -n "Benutzername : "
read username
if [ -f /opt/openvpn/users/${username}.pwd ]; then
echo -n "Passwort : "
read pwd
export string_to_hash="${pwd}"
hash="$(/opt/openvpn/sysoper/hashme.py)"
echo "${hash}" > /opt/openvpn/users/${username}.pwd
ReadToContinue
else
echo "User ${username} existiert nicht"
ReadToContinue
fi
}
DeleteUser() {
echo -n "Benutzername : "
read username
if [ -f /opt/openvpn/users/${username}.pwd ]; then
rm /opt/openvpn/users/${username}.pwd
echo "User ${username} wurde geloescht"
# Das CCD-File loeschen wir auch, falls vorhanden
if [ -f /opt/openvpn/ccd/${username} ]; then
rm /opt/openvpn/ccd/${username}
fi
ReadToContinue
else
echo "User ${username} existiert nicht"
ReadToContinue
fi
}
ShowUser() {
echo -n "Benutzername : "
read username
ip=""
if [ -f /opt/openvpn/users/${username}.pwd ]; then
if [ -f /opt/openvpn/ccd/${username} ]; then
ip="$(cat /opt/openvpn/ccd/${username} |awk '{print $2}')"
fi
echo "User ${username} existiert und hat die IP Adresse ${ip}"
echo
echo "Folgendes sind die letzten 20 Logeintraege fuer diesen User:"
echo
if [ -f /opt/openvpn/log/${username}.log ]; then
tail -20 /opt/openvpn/log/${username}.log
else
echo "Es existieren keine Logeintraege"
fi
ReadToContinue
else
echo "User ${username} existiert nicht"
ReadToContinue
fi
}
ListUsers() {
echo
echo "Username IP Adresse"
echo "=================================="
for userfile in $(ls -1 /opt/openvpn/users/*.pwd 2>/dev/null) ; do
user="${userfile##*/}"
user="${user%.pwd}"
ip="N/A"
if [ -f /opt/openvpn/ccd/${user} ]; then
ip="$(cat /opt/openvpn/ccd/${user} |awk '{print $2}')"
fi
printf "%-20s %-15s\n" "$user" "$ip"
done
echo
ReadToContinue
}
ShowLogfile() {
echo "Hinweis: mit Taste G zum Ende des Logs gehen..., Space fuer Seitenweises vorwaertsgehen..."
echo
ReadToContinue
/bin/less /opt/openvpn/log/logon.log
}
character=0
while [ "${character}" != "9" ]; do
clear
echo "Userverwaltung OpenVPN"
echo "======================"
echo "1 - OpenVPN Benutzer hinzufuegen"
echo "2 - OpenVPN Benutzer Passwort setzen"
echo "3 - OpenVPN Benutzer entfernen"
echo "4 - OpenVPN Benutzer anzeigen"
echo "5 - OpenVPN Benutzer auflisten"
echo
echo "7 - Logfile anzeigen"
echo "8 - Passwort von sysoper aendern"
echo
echo "9 - Exit"
echo
echo -n "Bitte Option waehlen > "
read character
case ${character} in
1) AddUser
;;
2) ChangePassword
;;
3) DeleteUser
;;
4) ShowUser
;;
5) ListUsers
;;
7) ShowLogfile
;;
8) passwd sysoper
;;
9) echo Exit...
;;
*) echo "Ungueltige Option..."
read
esac
done
exit 0

13
systemd/myopenvpn.service.05jul2016
View File

@ -1,13 +0,0 @@
[Unit]
Description=My OpenVPN Service
After=network-online.target
[Service]
PrivateTmp=true
Type=forking
ExecStart=/opt/openvpn/bin/startup.sh
ExecStop=/opt/openvpn/bin/shutdown.sh
PIDFile=/var/run/openvpn/myopenvpn.pid
[Install]
WantedBy=multi-user.target

13
systemd/myopenvpn.service.31aug2016
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@ -1,13 +0,0 @@
[Unit]
Description=My OpenVPN Service
After=network-online.target
[Service]
PrivateTmp=true
Type=forking
ExecStart=/opt/openvpn/bin/startup.sh
ExecStop=/opt/openvpn/bin/shutdown.sh
PIDFile=/var/run/openvpn/myopenvpn.pid
[Install]
WantedBy=multi-user.target