# General

- [ ] Auth for queue groups?
- [ ] Blacklist or ERR escalation to close connection for auth/permissions
- [ ] Protocol updates, MAP, MPUB, etc
- [ ] Multiple listen endpoints
- [ ] Websocket / HTTP2 strategy
- [ ] T series reservations
- [ ] _SYS. server events?
- [ ] No downtime restart
- [ ] Signal based reload of configuration
- [ ] brew, apt-get, rpm, chocately (windows)
- [ ] IOVec pools and writev for high fanout?
- [ ] Modify cluster support for single message across routes between pub/sub and d-queue
- [ ] Memory limits/warnings?
- [ ] Limit number of subscriptions a client can have, total memory usage etc.
- [ ] Multi-tenant accounts with isolation of subject space
- [ ] Pedantic state
- [X] _SYS.> reserved for server events?
- [X] Listen configure key vs addr and port
- [X] Add ENV and variable support to dconf? ucl?
- [X] Buffer pools/sync pools?
- [X] Multiple Authorization / Access
- [X] Write dynamic socket buffer sizes
- [X] Read dynamic socket buffer sizes
- [X] Info updates contain other implicit route servers
- [X] Sublist better at high concurrency, cache uses writelock always currently
- [X] Switch to 1.4/1.5 and use maps vs hashmaps in sublist
- [X] NewSource on Rand to lower lock contention on QueueSubs, or redesign!
- [X] Default sort by cid on connz
- [X] Track last activity time per connection?
- [X] Add total connections to varz so we won't miss spikes, etc.
- [X] Add starttime and uptime to connz list.
- [X] Gossip Protocol for discovery for clustering
- [X] Add in HTTP requests to varz?
- [X] Add favico and help link for monitoring?
- [X] Better user/pass support using bcrypt etc.
- [X] SSL/TLS support
- [X] Add support for / to point to varz, connz, etc..
- [X] Support sort options for /connz via nats-top
- [X] Dropped message statistics (slow consumers)
- [X] Add current time to each monitoring endpoint
- [X] varz uptime do days and only integer secs
- [X] Place version in varz (same info sent to clients)
- [X] Place server ID/UUID in varz
- [X] nats-top equivalent, utils
- [X] Connz report routes (/routez)
- [X] Docker
- [X] Remove reliance on `ps`
- [X] Syslog support
- [X] Client support for language and version
- [X] Fix benchmarks on linux
- [X] Daemon mode? Won't fix