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service daemons: language fixup
Very minor language updates to the "Important Service Daemons" section of the docs Signed-off-by: Dylan Whyte <d.whyte@proxmox.com>
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Dylan Whyte
Stoiko Ivanov
parent
c78dc3bb5d
commit
571cbbdf5e
@ -23,14 +23,14 @@ pmg-smtp-filter - Proxmox SMTP Filter Daemon
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============================================
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endif::manvolnum[]
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This is the Proxmox SMTP filter daemon, which does the actual spam
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filtering using the SpamAssassin and the rule database. It listens on
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The Proxmox SMTP Filter Daemon does the actual spam
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filtering, using {spamassassin} and the rule database. It listens on
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127.0.0.1:10023 and 127.0.0.1:10024. The daemon listens to a local
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address only, so you cannot access it from outside.
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address only, so you cannot access it from the outside.
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With our postfix configuration, incoming mails are sent to
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127.0.0.1:10024. Outgoing (trusted) mails are sent to
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127.0.0.1:10023. After filtering, mails are reinjected into postfix at
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127.0.0.1:10023. After filtering, mails are resent to Postfix at
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127.0.0.1:10025.
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@ -27,7 +27,7 @@ This daemon exposes the whole {pmg} API on `127.0.0.1:85`. It runs as
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`root` and has permission to do all privileged operations.
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NOTE: The daemon listens to a local address only, so you cannot access
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it from outside. The `pmgproxy` daemon exposes the API to the outside
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it from the outside. The `pmgproxy` daemon exposes the API to the outside
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world.
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@ -23,7 +23,7 @@ pmgmirror - Database Mirror Daemon
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==================================
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endif::manvolnum[]
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{pmg} uses an application specific asynchronous replication
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{pmg} uses an application-specific, asynchronous replication
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algorithm to replicate the database to all cluster nodes.
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The daemon uses the ssh tunnel provided by 'pmgtunnel' to access
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@ -25,8 +25,8 @@ endif::manvolnum[]
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This daemon implements the Postfix SMTP access policy delegation
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protocol on `127.0.0.1:10022`. It listens to a local address
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only, so you cannot access it from outside. We configure Postfix to
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use this service for greylisting and as SPF policy server.
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only, so you cannot access it from the outside. We configure Postfix to
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use this service for greylisting and as an SPF policy server.
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ifdef::manvolnum[]
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@ -23,12 +23,12 @@ pmgproxy - Proxmox Mail Gateway API Proxy Daemon
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================================================
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endif::manvolnum[]
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This daemon exposes the whole {pmg} API on TCP port 8006 using
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This daemon exposes the whole {pmg} API on TCP port 8006, using
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HTTPS. It runs as user `www-data` and has very limited permissions.
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Operations requiring more permissions are forwarded to the local
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`pmgdaemon`.
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Requests targeted for other nodes are automatically forwarded to those
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Requests targeted at other nodes are automatically forwarded to those
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nodes. This means that you can manage your whole cluster by connecting
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to a single {pmg} node.
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@ -76,18 +76,18 @@ By default the `pmgproxy` daemon listens on the wildcard address and accepts
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connections from both IPv4 and IPv6 clients.
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By setting `LISTEN_IP` in `/etc/default/pmgproxy` you can control to which IP
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address the `pmgproxy` daemon binds. The IP-address needs to be configured on
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By setting `LISTEN_IP` in `/etc/default/pmgproxy`, you can control which IP
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address the `pmgproxy` daemon binds to. The IP-address needs to be configured on
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the system.
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Setting the `sysctl` `net.ipv6.bindv6only` to the non-default `1` will cause
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the daemons to only accept connection from IPv6 clients, while usually also
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causing lots of other issues. If you set this configuration we recommend to
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either remove the `sysctl` setting, or set the `LISTEN_IP` to `0.0.0.0` (which
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will only allow IPv4 clients).
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the daemons to only accept connections from IPv6 clients, while usually also
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causing lots of other issues. If you set this configuration, we recommend either
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removing the `sysctl` setting, or setting the `LISTEN_IP` to `0.0.0.0` (which
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will allow only IPv4 clients).
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`LISTEN_IP` can be used to only to restricting the socket to an internal
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interface and thus have less exposure to the public internet, for example:
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`LISTEN_IP` can be used to restrict the socket to an internal
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interface, thus leaving less exposure to the public internet, for example:
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----
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LISTEN_IP="192.0.2.1"
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@ -107,8 +107,8 @@ LISTEN_IP="fe80::c463:8cff:feb9:6a4e%vmbr0"
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----
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WARNING: The nodes in a cluster need access to `pmgproxy` for communication,
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possibly on different sub-nets. It is **not recommended** to set `LISTEN_IP` on
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clustered systems.
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possibly across different subnets. It is **not recommended** to set `LISTEN_IP`
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on clustered systems.
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To apply the change you need to either reboot your node or fully restart the
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`pmgproxy` service:
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@ -118,24 +118,24 @@ systemctl restart pmgproxy.service
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----
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NOTE: Unlike `reload`, a `restart` of the pmgproxy service can interrupt some
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long-running worker processes, for example a running console.So, please use a
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maintenance window to bring this change in effect.
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long-running worker processes, for example, a running console. Therefore, you
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should set a maintenance window to bring this change into effect.
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SSL Cipher Suite
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----------------
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You can define the cipher list in `/etc/default/pmgproxy`, for example
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You can define the cipher list in `/etc/default/pmgproxy`, for example:
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CIPHERS="ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256"
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Above is the default. See the `ciphers(1)` man page from the `openssl`
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The above is the default. See the `ciphers(1)` man page from the `openssl`
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package for a list of all available options.
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The first of these ciphers, available to both the client and the `pmgproxy`,
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The first of these ciphers that is available to both the client and `pmgproxy`
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will be used.
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Additionally you can allow the client to choose the cipher from the list above
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Additionally, you can allow the client to choose the cipher from the list above,
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by disabling the HONOR_CIPHER_ORDER option in `/etc/default/pmgproxy`:
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HONOR_CIPHER_ORDER=0
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@ -146,7 +146,7 @@ Diffie-Hellman Parameters
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You can define the used Diffie-Hellman parameters in
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`/etc/default/pmgproxy` by setting `DHPARAMS` to the path of a file
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containing DH parameters in PEM format, for example
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containing DH parameters in PEM format, for example:
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DHPARAMS="/path/to/dhparams.pem"
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@ -160,7 +160,8 @@ COMPRESSION
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-----------
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By default `pmgproxy` uses gzip HTTP-level compression for compressible
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content if the client supports it. This can be disabled in `/etc/default/pmgproxy`
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content, if the client supports it. This can be disabled in
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`/etc/default/pmgproxy`
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COMPRESSION=0
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@ -23,10 +23,10 @@ pmgtunnel - Cluster Tunnel Daemon
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=================================
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endif::manvolnum[]
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This daemon creates a ssh tunnel to the postgres database in other
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This daemon creates an ssh tunnel to the Postgres databases on other
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cluster nodes (port 5432). The tunnel is used to synchronize the
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database using an application specific asynchronous replication
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algorythm.
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database, using an application-specific, asynchronous replication
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algorithm.
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ifdef::manvolnum[]
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include::pmg-copyright.adoc[]
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