diff --git a/group_vars/all/main.yml b/group_vars/all/main.yml
index 8bf63e3..63d22db 100644
--- a/group_vars/all/main.yml
+++ b/group_vars/all/main.yml
@@ -49,58 +49,6 @@ locales:
 set_default_limit_nofile: false
 
 
-# ---
-# vars used by roles/common/tasks/sshd.yml
-# ---
-
-sshd_ports:
-  - 22
-
-sshd_listen_address:
-   - '::'
-   - '0.0.0.0'
-
-sshd_host_keys:
-  - /etc/ssh/ssh_host_rsa_key
-  - /etc/ssh/ssh_host_ecdsa_key
-  - /etc/ssh/ssh_host_ed25519_key
-
-sshd_permit_root_login: !!str "no"
-
-sshd_authorized_keys_file: ".ssh/authorized_keys .ssh/authorized_keys2"
-
-sshd_pubkey_authentication: !!str "yes"
-
-sshd_password_authentication: !!str "no"
-
-sshd_use_pam: !!str "yes"
-
-sshd_print_motd: !!str "no"
-
-# sshd_kexalgorithms
-#
-# Example:
-#    sshd_kexalgorithms:
-#      - curve25519-sha256@libssh.org
-#      - diffie-hellman-group-exchange-sha256
-#      - diffie-hellman-group14-sha1
-#
-sshd_kexalgorithms: {}
-
-# sshd_kexalgorithms
-#
-# Example:
-#    sshd_ciphers:
-#      - chacha20-poly1305@openssh.com
-#      - aes256-gcm@openssh.com
-#      - aes256-ctr
-sshd_ciphers: {}
-
-sshd_use_dns: !!str "no"
-
-sshd_allowed_users: {}
-
-
 
 # ---
 # vars used by apt.yml
@@ -241,6 +189,7 @@ apt_initial_install_stretch:
   - quota
   - quotatool
   - needrestart
+  - socat
 
 apt_initial_install_buster:
   - apt-transport-https
@@ -352,6 +301,7 @@ apt_initial_install_buster:
   - quota
   - quotatool
   - needrestart
+  - socat
 
 
 apt_initial_install_xenial:
@@ -464,6 +414,7 @@ apt_initial_install_xenial:
   - quotatool
   - needrestart
   - ifupdown
+  - socat
 
 apt_initial_install_bionic:
   - apt-transport-https
@@ -575,6 +526,7 @@ apt_initial_install_bionic:
   - quotatool
   - needrestart
   - ifupdown
+  - socat
 
 apt_install_compiler_pkgs: false
 apt_compiler_pkgs:
@@ -755,6 +707,64 @@ webadmin_ssh_keypair: []
 webadmin_user: []
 
 
+# ---
+# vars used by roles/common/tasks/sshd.yml
+# ---
+
+sshd_ports:
+  - 22
+
+sshd_listen_address:
+   - '::'
+   - '0.0.0.0'
+
+sshd_host_keys:
+  - /etc/ssh/ssh_host_rsa_key
+  - /etc/ssh/ssh_host_ecdsa_key
+  - /etc/ssh/ssh_host_ed25519_key
+
+# only for debian version <= 9
+#
+sshd_use_privilege_separation: !!str "sandbox"
+
+sshd_permit_root_login: !!str "no"
+
+sshd_authorized_keys_file: ".ssh/authorized_keys .ssh/authorized_keys2"
+
+sshd_pubkey_authentication: !!str "yes"
+
+sshd_password_authentication: !!str "no"
+
+sshd_use_pam: !!str "yes"
+
+sshd_print_motd: !!str "no"
+
+# sshd_kexalgorithms
+#
+# Example:
+#    sshd_kexalgorithms:
+#      - curve25519-sha256@libssh.org
+#      - diffie-hellman-group-exchange-sha256
+#      - diffie-hellman-group14-sha1
+#
+sshd_kexalgorithms: {}
+
+# sshd_kexalgorithms
+#
+# Example:
+#    sshd_ciphers:
+#      - chacha20-poly1305@openssh.com
+#      - aes256-gcm@openssh.com
+#      - aes256-ctr
+sshd_ciphers: {}
+
+sshd_use_dns: !!str "no"
+
+sshd_allowed_users: {}
+
+sshd_gateway_ports: !!str "no"
+
+
 # ---
 # vars used by roles/common/tasks/sudoers.yml
 # ---
diff --git a/host_vars/nc-gw.oopen.de.yml b/host_vars/nc-gw.oopen.de.yml
new file mode 100644
index 0000000..fa97a80
--- /dev/null
+++ b/host_vars/nc-gw.oopen.de.yml
@@ -0,0 +1,144 @@
+---
+
+# ---
+# vars used by roles/ansible_dependencies
+# ---
+
+
+# ---
+# vars used by roles/ansible_user
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/basic.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/apt.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/users.yml
+# ---
+ssh_keypair_backup_server:
+  - name: backup
+    backup_user: back
+    priv_key_src: root/.ssh/id_rsa.backup.oopen.de
+    priv_key_dest: /root/.ssh/id_rsa
+    pub_key_src: root/.ssh/id_rsa.backup.oopen.de.pub
+    pub_key_dest: /root/.ssh/id_rsa.pub
+
+insert_root_ssh_keypair: true
+
+root_ssh_keypair:
+  - name: backup
+    login: root
+    priv_key_src: root/.ssh/id_ed25519.oopen-server
+    priv_key_dest: /root/.ssh/id_ed25519
+    pub_key_src: root/.ssh/id_ed25519.oopen-server.pub
+    pub_key_dest: /root/.ssh/id_ed25519.pub
+    target: backup.oopen.de
+
+
+default_user:
+
+  - name: chris
+    password: $6$bSHlaLHC$URSMVq090e/cJ1v55Jh9ws0w5WekhO7X3Y0RqryAl5R76K9khWBegC76Smjastja.xMiD57/LzUUXW7y9NvAL.
+    shell: /bin/bash
+    ssh_keys:
+     - 'ssh-rsa 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 chris@luna'
+     - 'ssh-rsa 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 root@luna'
+
+  - name: sysadm
+
+    user_id: 1050
+    group_id: 1050
+    group: sysadm
+    password: $6$EEVWxA5E$bNxU8EOp/tTcYVghFharUM10k3vRt2siEnIiiznfGmhMSM6zJTP0umdxql9VVEj856oKa.Sp.q3N2nthgNMeN1
+    shell: /bin/bash
+    ssh_keys:
+      - 'ssh-rsa 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 chris@luna'
+      - 'ssh-rsa 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 root@luna'
+
+  - name: localadmin
+    user_id: 1051
+    group_id: 1051
+    password: $6$flo5afeu$1Dn/tqIOJIFQbymCzpJk9BgGflQdy2Eg0nTiMBF7VefN7uY/Md1pV2yU0S47kZuH5aDjSdPfKzhHp8Aul/xx90
+    shell: /bin/bash
+    ssh_keys:
+     - 'ssh-rsa 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 chris@luna'
+     - 'ssh-rsa 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 jonas@meurer.it'
+     - 'ssh-rsa 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 t@NB-003258-RLS'
+
+  - name: back
+    user_id: 1060
+    group_id: 1060
+    group: back
+    password: $6$GntX81EP$O1GEmQF.BbOQfTMMw/m/BDKSXmANVpqmz0nyzw4O4R2/iK9huGOAjT/2eq8FVdMghvNOvdwrWtwohO.Mg4V9n.
+    shell: /bin/bash
+    ssh_keys:
+     - 'ssh-rsa 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 chris@luna'
+
+
+sudo_users:
+  - chris
+  - sysadm
+  - localadmin
+
+
+# ---
+# vars used by roles/common/tasks/users-systemfiles.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/webadmin-user.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/sshd.yml
+# ---
+
+sshd_use_privilege_separation: !!str "yes"
+
+sshd_permit_root_login: !!str "yes"
+
+sshd_gateway_ports: !!str "yes"
+
+
+# ---
+# vars used by roles/common/tasks/sudoers.yml
+# ---
+#
+# see: roles/common/tasks/vars
+
+
+# ---
+# vars used by roles/common/tasks/caching-nameserver.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/git.yml
+# ---
+
+git_firewall_repository:
+  name: ipt-server
+  repo: https://git.oopen.de/firewall/ipt-server
+  dest: /usr/local/src/ipt-server
+
+# ==============================
+
+
+# ---
+# vars used by scripts/reset_root_passwd.yml
+# ---
+
+root_user:
+  name: root
+  password: $6$J1ssJfdshf/$mknQEPDcW4HN5.wFfawbamamywI7F7fhdZmaR1abNrc4DA7DNRx766lz3ygf9YV3gcmRq3QhJ3fBVlkwGMCvq.
+
diff --git a/host_vars/www.oopen.de.yml b/host_vars/www.oopen.de.yml
new file mode 100644
index 0000000..de2eea6
--- /dev/null
+++ b/host_vars/www.oopen.de.yml
@@ -0,0 +1,140 @@
+---
+
+# ---
+# vars used by roles/ansible_dependencies
+# ---
+
+
+# ---
+# vars used by roles/ansible_user
+# ---
+
+create_sftp_group: true
+
+
+# ---
+# vars used by roles/common/tasks/basic.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/sshd.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/apt.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/users.yml
+# ---
+ssh_keypair_backup_server:
+  - name: backup
+    backup_user: back
+    priv_key_src: root/.ssh/id_rsa.backup.oopen.de
+    priv_key_dest: /root/.ssh/id_rsa
+    pub_key_src: root/.ssh/id_rsa.backup.oopen.de.pub
+    pub_key_dest: /root/.ssh/id_rsa.pub
+
+insert_root_ssh_keypair: true
+
+root_ssh_keypair:
+  - name: backup
+    login: root
+    priv_key_src: root/.ssh/id_ed25519.oopen-server
+    priv_key_dest: /root/.ssh/id_ed25519
+    pub_key_src: root/.ssh/id_ed25519.oopen-server.pub
+    pub_key_dest: /root/.ssh/id_ed25519.pub
+    target: backup.oopen.de
+
+
+default_user:
+
+  - name: chris
+    password: $6$bSHlaLHC$URSMVq090e/cJ1v55Jh9ws0w5WekhO7X3Y0RqryAl5R76K9khWBegC76Smjastja.xMiD57/LzUUXW7y9NvAL.
+    shell: /bin/bash
+    ssh_keys:
+     - 'ssh-rsa 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 chris@luna'
+     - 'ssh-rsa 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 root@luna'
+
+  - name: sysadm
+
+    user_id: 1050
+    group_id: 1050
+    group: sysadm
+    password: $6$EEVWxA5E$bNxU8EOp/tTcYVghFharUM10k3vRt2siEnIiiznfGmhMSM6zJTP0umdxql9VVEj856oKa.Sp.q3N2nthgNMeN1
+    shell: /bin/bash
+    ssh_keys:
+      - 'ssh-rsa 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 chris@luna'
+      - 'ssh-rsa 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 root@luna'
+
+  - name: localadmin
+    user_id: 1051
+    group_id: 1051
+    password: $6$flo5afeu$1Dn/tqIOJIFQbymCzpJk9BgGflQdy2Eg0nTiMBF7VefN7uY/Md1pV2yU0S47kZuH5aDjSdPfKzhHp8Aul/xx90
+    shell: /bin/bash
+    ssh_keys:
+     - 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQC5IhVprsvVOcFPbZzD9xR0nCjZ/9qVG6RhLJ7QBSts81nRvLwnmvcMBHSf5Rfaigey7Ff5dLHfJnxRE0KDATn6n2yd/5mXpn2GAA8hDVfhdsmsb5U7bROjZNr8MmIUrP7c3msUGx1FtvzhwxtyvIWOFQpWx+W5biBa6hFjIxT1pkUJqe6fclp7xbGYKZiqZRBS4qKG5CpKnisuOYDsqYPND+OkU+PShoxGVzp1JywIVze7qeKv6GyYbRA9SP9Np+5Mit6B21Io4zOI81c2Rz6sPX7mwEAQEs7iCm2hzG8qJws45Lb4ERqDkVEVhGNUyHjHgGebS1sZx1mLExdurXlPm1l/EamkncDFDCutHXtLP7lsFFiym7fKUjSEgiiLmyu5Xm+mwZvesKa1FYNaeiFWfYZpCJrNzIk+ffs+mgg3kmL4Sd4Ooy7jXPX+WJe5Xyh1KLU/+Wj2TVrhN+LbmupYAti/Wgd3DA1v601svmG82aLmyJRtKC0rGMePH3kDbtqU72kYpzI8mXERe1TIQ00Z77kQBR/7BF/9y5/0YmYDcXt1wNCoSie+mzz3xYcEdLAc7T+DhYpd4M6VgWnuz/exzRzhQwoSdEKkEED8CpEoBrEWEiMdrlElGmlkVomLU7P9i9j1rshX/pAq0asnqeSoPdC3vNbU3keiJQnhIHECvw== chris@luna'
+     - 'ssh-rsa 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 jonas@meurer.it'
+     - 'ssh-rsa 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 t@NB-003258-RLS'
+
+  - name: back
+    user_id: 1060
+    group_id: 1060
+    group: back
+    password: $6$GntX81EP$O1GEmQF.BbOQfTMMw/m/BDKSXmANVpqmz0nyzw4O4R2/iK9huGOAjT/2eq8FVdMghvNOvdwrWtwohO.Mg4V9n.
+    shell: /bin/bash
+    ssh_keys:
+     - 'ssh-rsa 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 chris@luna'
+
+
+sudo_users:
+  - chris
+  - sysadm
+  - localadmin
+
+
+# ---
+# vars used by roles/common/tasks/users-systemfiles.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/webadmin-user.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/sudoers.yml
+# ---
+#
+# see: roles/common/tasks/vars
+
+
+# ---
+# vars used by roles/common/tasks/caching-nameserver.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/git.yml
+# ---
+
+git_firewall_repository:
+  name: ipt-server
+  repo: https://git.oopen.de/firewall/ipt-server
+  dest: /usr/local/src/ipt-server
+
+# ==============================
+
+
+# ---
+# vars used by scripts/reset_root_passwd.yml
+# ---
+
+root_user:
+  name: root
+  password: $6$J1ssJfdshf/$mknQEPDcW4HN5.wFfawbamamywI7F7fhdZmaR1abNrc4DA7DNRx766lz3ygf9YV3gcmRq3QhJ3fBVlkwGMCvq.
+
diff --git a/hosts b/hosts
index 7e3e695..71bd84e 100644
--- a/hosts
+++ b/hosts
@@ -164,6 +164,8 @@ o33.oopen.de
 # Jitsi Meet - AG Beratung
 o34.oopen.de
 
+o35.oopen.de
+
 
 [initial_setup]
 
@@ -363,6 +365,9 @@ o33.oopen.de
 # Jitsi Meet - AG Beratung
 o34.oopen.de
 
+# - o35.oopen.de
+o35.oopen.de
+
 # - Vserver von Sinma
 a.ns.oopen.de
 
@@ -993,6 +998,7 @@ o13.oopen.de
 o14.oopen.de
 o15.oopen.de
 o17.oopen.de
+o18.oopen.de
 o19.oopen.de
 #o20.oopen.de
 o21.oopen.de
@@ -1002,6 +1008,7 @@ o24.oopen.de
 o25.oopen.de
 o28.oopen.de
 o32.oopen.de
+o35.oopen.de
 
 # ---
 #  O.OPEN office network
@@ -1319,6 +1326,9 @@ o33.oopen.de
 # Jitsi Meet - AG Beratung
 o34.oopen.de
 
+# - o35.oopen.de
+o35.oopen.de
+
 # - Vserver von Sinma
 a.ns.oopen.de
 
diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml
index bf0a825..1ec7bda 100644
--- a/roles/common/tasks/main.yml
+++ b/roles/common/tasks/main.yml
@@ -10,13 +10,6 @@
     - basic
 
 
-# tags supported inside sshd.yml
-#
-#    sshd-config
-- import_tasks: sshd.yml
-  tags: sshd
-
-
 # tags supported inside apt.yml
 #
 #   apt-update
@@ -75,6 +68,13 @@
     - webadmin
 
 
+# tags supported inside sshd.yml
+#
+#    sshd-config
+- import_tasks: sshd.yml
+  tags: sshd
+
+
 # tags supported inside sudoers.yml:
 #
 #   sudoers-remove
diff --git a/roles/common/tasks/sshd.yml b/roles/common/tasks/sshd.yml
index daa3fc6..dc4467b 100644
--- a/roles/common/tasks/sshd.yml
+++ b/roles/common/tasks/sshd.yml
@@ -13,7 +13,21 @@
   tags:
     - sshd-config
 
-- name: (sshd.yml) Create new sshd_config from template sshd_config.j2
+- name: (sshd.yml) Create/Update new sshd_config from template sshd_config.j2
+  template:
+    src: etc/ssh/sshd_config.j2
+    dest: /etc/ssh/sshd_config
+    owner: root
+    group: root
+    mode: 0644
+    validate: 'sshd -f %s -T'
+  notify: "Restart ssh"
+  when:
+    - create_sftp_group is defined and not create_sftp_group
+  tags:
+    - sshd-config
+
+- name: (sshd.yml) Create/Update sshd_config for chrooted sftp_group from template sshd_config.j2
   template:
     src: etc/ssh/sshd_config.j2
     dest: /etc/ssh/sshd_config
@@ -21,8 +35,9 @@
     group: root
     mode: 0644
     validate: 'sshd -f %s -T -C user=sftp_users'
-    #backup: yes
   notify: "Restart ssh"
+  when:
+    - create_sftp_group is defined and create_sftp_group
   tags:
     - sshd-config
 
diff --git a/roles/common/templates/etc/ssh/sshd_config.j2 b/roles/common/templates/etc/ssh/sshd_config.j2
index c3be244..7598885 100644
--- a/roles/common/templates/etc/ssh/sshd_config.j2
+++ b/roles/common/templates/etc/ssh/sshd_config.j2
@@ -83,7 +83,7 @@ MaxSessions 10
 #
 #UsePrivilegeSeparation sandbox
 {% else %}
-UsePrivilegeSeparation sandbox
+UsePrivilegeSeparation {{ sshd_use_privilege_separation }}
 {% endif %}
 
 # The server disconnects after this time if the user has not
@@ -326,6 +326,17 @@ TCPKeepAlive yes
 # The default is “yes”.
 PrintLastLog yes
 
+# Specifies whether remote hosts are allowed to connect to ports forwarded for the client. 
+# By default, sshd(8) binds remote port forwardings to the loopback address. This prevents 
+# other remote hosts from connecting to forwarded ports. 
+#
+# GatewayPorts can be used to specify that sshd should allow remote port forwardings to 
+# bind to non-loopback addresses, thus allowing other hosts to connect.  The argument may be 
+# no to force remote port forwardings to be available to the local host only, yes to force 
+# remote port forwardings to bind to the wildcard address, or clientspecified to allow the 
+# client to select the address to which the forwarding is bound.  The default is no.
+GatewayPorts {{ sshd_gateway_ports }}
+
 
 #-----------------------------
 # Kerberos options