Typical Alex Bosworth tweet, cryptical while not responding to anyone asking for clarifications in the comments :)

I'm sure though those are all valid concerns, so it'd be worth elaborating if any one here knows.

Unsettled HTLCs: I guess this means get them to expire by design and basically get people's funds locked for long amount of time?

Too many graph updates: flood the gossip network with constantly changing channel statuses?

Not sure for others...

Following is the content of the Tweet for this SN post.

Some Lightning Network node DoS vectors:

• TCP level flooding
• P2P protocol flood
• Too-many graph updates
• Huge unsettled HTLCs
• Many slow HTLCs
• Pathfinding distraction
• RBF pinning
• 0-Base PPM floor HTLCs
• Many channel open proposals
• Fake Neutrino data
• KeySend spam