kubespray/roles/kubernetes/master/defaults/main/kube-proxy.yml

---
# bind address for kube-proxy
kube_proxy_bind_address: '0.0.0.0'

# acceptContentTypes defines the Accept header sent by clients when connecting to a server, overriding the
# default value of 'application/json'. This field will control all connections to the server used by a particular
# client.
kube_proxy_client_accept_content_types: ''

# burst allows extra queries to accumulate when a client is exceeding its rate.
kube_proxy_client_burst: 10

# contentType is the content type used when sending data to the server from this client.
kube_proxy_client_content_type: application/vnd.kubernetes.protobuf

# kubeconfig is the path to a KubeConfig file.
# Leave as empty string to generate from other fields
kube_proxy_client_kubeconfig: ''

# qps controls the number of queries per second allowed for this connection.
kube_proxy_client_qps: 5

# How often configuration from the apiserver is refreshed. Must be greater than 0.
kube_proxy_config_sync_period: 15m0s

### Conntrack
# max is the maximum number of NAT connections to track (0 to
# leave as-is).  This takes precedence over maxPerCore and min.
kube_proxy_conntrack_max: 'null'

# maxPerCore is the maximum number of NAT connections to track
# per CPU core (0 to leave the limit as-is and ignore min).
kube_proxy_conntrack_max_per_core: 32768

# min is the minimum value of connect-tracking records to allocate,
# regardless of conntrackMaxPerCore (set maxPerCore=0 to leave the limit as-is).
kube_proxy_conntrack_min: 131072

# tcpCloseWaitTimeout is how long an idle conntrack entry
# in CLOSE_WAIT state will remain in the conntrack
# table. (e.g. '60s'). Must be greater than 0 to set.
kube_proxy_conntrack_tcp_close_wait_timeout: 1h0m0s

# tcpEstablishedTimeout is how long an idle TCP connection will be kept open
# (e.g. '2s').  Must be greater than 0 to set.
kube_proxy_conntrack_tcp_established_timeout: 24h0m0s

# Enables profiling via web interface on /debug/pprof handler.
# Profiling handlers will be handled by metrics server.
kube_proxy_enable_profiling: false

# bind address for kube-proxy health check
kube_proxy_healthz_bind_address: 0.0.0.0:10256

# If using the pure iptables proxy, SNAT everything. Note that it breaks any
# policy engine.
kube_proxy_masquerade_all: false

# If using the pure iptables proxy, the bit of the fwmark space to mark packets requiring SNAT with.
# Must be within the range [0, 31].
kube_proxy_masquerade_bit: 14

# The minimum interval of how often the iptables or ipvs rules can be refreshed as
# endpoints and services change (e.g. '5s', '1m', '2h22m').
kube_proxy_min_sync_period: 0s

# The maximum interval of how often iptables or ipvs rules are refreshed (e.g. '5s', '1m', '2h22m').
# Must be greater than 0.
kube_proxy_sync_period: 30s

# A comma-separated list of CIDR's which the ipvs proxier should not touch when cleaning up IPVS rules.
kube_proxy_exclude_cidrs: []

# The ipvs scheduler type when proxy mode is ipvs
# rr: round-robin
# lc: least connection
# dh: destination hashing
# sh: source hashing
# sed: shortest expected delay
# nq: never queue
kube_proxy_scheduler: rr

# configure arp_ignore and arp_announce to avoid answering ARP queries from kube-ipvs0 interface
# must be set to true for MetalLB to work
kube_proxy_strict_arp: false

# The IP address and port for the metrics server to serve on
# (set to 0.0.0.0 for all IPv4 interfaces and `::` for all IPv6 interfaces)
kube_proxy_metrics_bind_address: 127.0.0.1:10249

# A string slice of values which specify the addresses to use for NodePorts.
# Values may be valid IP blocks (e.g. 1.2.3.0/24, 1.2.3.4/32).
# The default empty string slice ([]) means to use all local addresses.
kube_proxy_nodeport_addresses: >-
  {%- if kube_proxy_nodeport_addresses_cidr is defined -%}
  [{{ kube_proxy_nodeport_addresses_cidr }}]
  {%- else -%}
  []
  {%- endif -%}

# oom-score-adj value for kube-proxy process. Values must be within the range [-1000, 1000]
kube_proxy_oom_score_adj: -999

# portRange is the range of host ports (beginPort-endPort, inclusive) that may be consumed
# in order to proxy service traffic. If unspecified, 0, or (0-0) then ports will be randomly chosen.
kube_proxy_port_range: ''

# udpIdleTimeout is how long an idle UDP connection will be kept open (e.g. '250ms', '2s').
# Must be greater than 0. Only applicable for proxyMode=userspace.
kube_proxy_udp_idle_timeout: 250ms