Server

IP-Adressen / Hostnames

Hostname	IPv4	IPv6	Standort	ECDSA key Fingerprint	Kommentar
gw3	185.89.196.109	2a03:8460:1:2:109::	masterssystems (Offenbach, DE)	73:91:ea:9e:79:f8:25:79:7a:bd:27:22:5e:cc:18:53	Gateway Freifunk Dreiländereck e.V.
gw7	5.9.143.55	2a01:4f8:190:2229::2	Hetzner GmbH (DE)	27:24:cc:40:66:76:ee:01:c7:d6:ec:e8:09:1e:24:d6	2. Gateway Freifunk Dreiländereck e.V.
gw9	144.76.31.247	2a01:4f8:191:22f6::2	Hetzner GmbH (DE)	5e:39:59:b5:21:c5:21:d8:a8:1c:fb:05:aa:72:ce:4b	3. Gateway Freifunk Dreiländereck e.V.
node1	185.89.196.13	2a03:8460:1:2:1:13::	masterssystems (Offenbach, DE)	1b:0f:3d:f5:2c:2f:2c:50:c5:9d:60:d3:e1:30:b0:43	Applikationsserver Freifunk Dreiländereck e.V.
node2	185.89.197.13	2a03:8460:1:2:2:13::	masterssystems (Offenbach, DE)	1b:0f:3d:f5:2c:2f:2c:50:c5:9d:60:d3:e1:30:b0:43	Applikationsserver Freifunk Dreiländereck e.V.
services	178.63.79.89	2a01:4f8:121:3145::2	Hetzner GmbH (DE)	31:3b:63:20:59:0b:cf:f8:69:c3:22:f5:d4:d7:d3:b5	Applikationsserver Freifunk Dreiländereck e.V.

Setup

Standard

identisch für alle FF3L-Server:

• Debian AMD64 Netinstall (7.8)
• Locale: EN_US.UTF8
• Partitionierung:
  • vda1: 2 GB swap
  • vda2: Rest ext4 /
• Setup Pakete:
  • SSH Server
  • Standard system utilities
• Pakete nachinstallieren:
  • fail2ban
  • htop
  • iotop
  • joe
  • libpam-ldapd
  • screen
  • strace
  • sudo
• Admin-User (lokal)
  • admin:x:900:900::/home/admin:/bin/bash

/etc/ssh/sshd_config

...
PermitRootLogin no 
...
AuthorizedKeysCommand /usr/local/bin/ldap_keys.sh
AuthorizedKeysCommandUser nobody
...

LDAP

• URI: ldaps://apps.freifunk-3laendereck.de/
• nsswitch: aliases, group, passwd, shadow

Applikationsserver

• Setup-Profile:
  • Web server
  • SQL database
  • DNS server
  • Mail server
  • SSH server
  • Standard system utilities
• Pakete nachinstallieren:
  • slapd
  • ldap-account-manager
  • apache2-mpm-itk

/etc/default/slapd

...
SLAPD_SERVICES="ldaps:/// ldapi:///"
...

/etc/ldap/ldap.conf

BASE    dc=freifunk-3laendereck,dc=net
URI     ldapi:///
...
TLS_REQCERT     allow

/etc/nslcd.conf

...
uri ldapi:///
uri ldaps://192.168.13.2/
...
base dc=freifunk-3laendereck,dc=net
...
rootpwmoddn cn=admin,dc=freifunk-3laendereck,dc=net
...

/usr/share/pam-configs/mkhomedir

Name: Create home directory during login
Default: yes
Priority: 900
Session-Type: Additional
Session:
        required        pam_mkhomedir.so umask=0077 skel=/mnt/nfs/home/skel

update pam config

pam-auth-update